question: What is the country in the South Caucasus region, situated at the crossroads of Southwest Asia and Southeastern Europe bound by to the east, which is the country of a olk musician and tar-player ?
answer: Caspian Sea
context: Title: Gurban Pirimov
  Passage: Gurban Bakhshali oglu Primov (Azerbaijani: "Qurban Primov" ) (4 October 1880 in Abdal Gulabli near Shusha, Karabakh, Azerbaijan – 29 August 1965 in Baku, Azerbaijan) was an Azerbaijani folk musician and tar-player.
  Title: Caucasus University
  Passage: Caucasus University is a privately held university in Georgia, Caucasus.  The university was established in 2004 on the foundation of Caucasus School of Business, which was established in 1998 in partnership with Georgia State University, Atlanta, USA, during the country's transitional period.  This was when Georgia was making the first attempts to move from a planned to free market economy.  Caucasus University has evolved and is now one of the most prominent higher education institutions in Georgia and the South Caucasus region.
  Title: Rhododendron luteum
  Passage: Rhododendron luteum, the yellow azalea or honeysuckle azalea, is a species of "Rhododendron" native to southeastern Europe and southwest Asia.  In Europe, it occurs from southern Poland and Austria south through the Balkans and east to southern Russia, and in Asia, east to the Caucasus.
  Title: Geography of Azerbaijan
  Passage: Azerbaijan is situated in the Caucasus region of Eurasia.  Three physical features dominate Azerbaijan: the Caspian Sea, whose shoreline forms a natural boundary to the east; the Greater Caucasus mountain range to the north; and the extensive flatlands at the country's center.  About the size of Portugal or the state of Maine, Azerbaijan has a total land area of approximately 86,600 square kilometers, less than 1% of the land area of the former Soviet Union.  Of the three Transcaucasian states, Azerbaijan has the greatest land area.  Special administrative subdivisions are the Nakhchivan Autonomous Republic, which is separated from the rest of Azerbaijan by a strip of Armenian territory, and the Nagorno-Karabakh Autonomous Region, entirely within Azerbaijan.  (The status of Nagorno-Karabakh was under negotiation in 1994.)  Located in the region of the southern Caucasus Mountains, Azerbaijan borders the Caspian Sea to the east, Georgia and Russia to the north, Iran to the south, and Armenia to the southwest and west.  A small part of Nakhchivan also borders Turkey to the northwest.  The capital of Azerbaijan is the ancient city of Baku, which has the largest and best harbor on the Caspian Sea and has long been the center of the republic's oil industry.
  Title: List of companies of Azerbaijan
  Passage: Azerbaijan is a country in the South Caucasus region, situated at the crossroads of Southwest Asia and Southeastern Europe.  It is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west and Iran to the south.  The exclave of Nakhchivan is bounded by Armenia to the north and east, Iran to the south and west, while having an 8 km border with Turkey in the north west.
  Title: Azerbaijan
  Passage: Azerbaijan ( ; Azerbaijani: "Azərbaycan" , officially the Republic of Azerbaijan (Azerbaijani: "Azərbaycan Respublikası" )), is a country in the South Caucasus region, situated at the crossroads of Southwest Asia and Southeastern Europe.  It is bound by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west and Iran to the south.  The exclave of Nakhchivan is bound by Armenia to the north and east, Iran to the south and west, while having an 11 km border with Turkey in the north west.
  Title: Foreign relations of Artsakh
  Passage: The Republic of Artsakh is a republic with limited recognition in the South Caucasus region of Eastern Europe.  Republic of Artsakh controls most of the territory of the former Nagorno-Karabakh Autonomous Oblast and some of the surrounding area.  It is recognized by only three other non-UN member states, Abkhazia, South Ossetia and Transnistria.  The rest of the international community recognizes Artsakh as part of Azerbaijan.  In November 2012, a member of Uruguay's foreign relations committee stated that his country could recognize Nagorno-Karabakh's independence.  In 2012, Armenia and Tuvalu established diplomatic relations and it was perceived that Tuvalu may recognize Nagorno Karabakh’s independence.  Also in 2012, the Parliament of New South Wales, an Australian state, called upon the Australian government to recognise Nagorno-Karabakh.  In September 2014, the Basque Parliament in Spain adopted a motion supporting Nagorno-Karabakh's right to self-determination.
  Title: List of cities in Azerbaijan
  Passage: This is a list of cities in Azerbaijan.  Azerbaijan is a country in the South Caucasus region, situated at the crossroads of Southwest Asia and Southeastern Europe.  In total, Azerbaijan has 77 cities (including 12 Federal-level cities), 64 smaller "rayon" -class cities, and one special legal status city.  These are followed by 257 urban-type settlements and 4,620 villages.
  Title: Caucasus
  Passage: The Caucasus or Caucasia is a region situated at the border of Eastern Europe and Western Asia, situated between the Black Sea and the Caspian Sea.  It is home to the Caucasus Mountains, which contain Europe's highest mountain, Mount Elbrus, 5642 m , located on the west of the Greater Caucasus mountain range.  The Greater Caucasus acts as a natural barrier separating Europe from Southwest Asia, the latter including the Transcaucasus and Anatolia regions.
  Title: Environmental issues in Georgia
  Passage: Situated in the South Caucasus Region bordered by the Black Sea to the North the Russian Federation to the North, Azerbaijan to the East, Turkey to the Southwest and Armenia to the South, Georgia is a small country supplied with profitable natural resources, heavenly scenes, copious water assets, rich living spaces, and perfect ecosystems that are of local and worldwide significance.
citations: Gurban Pirimov Azerbaijan