question: Which is located closer to the Grand Post Office building at Sirkeci quarter of Fatih district in Istanbul, Veliefendi Race Course or Istanbul Postal Museum
answer: Istanbul Postal Museum
context: Title: Yasin Pilavcılar
  Passage: Yasin Pilavcılar (born September 11, 1990, in Istanbul, Turkey) is a horse racing jockey, who is currently riding at Veliefendi Race Course in Istanbul, Turkey.
  Title: Veliefendi Race Course
  Passage: Veliefendi Race Course (Turkish: "Veliefendi Hipodromu" ) is a horse racing track located at Veliefendi neighborhood in Zeytinburnu district of Istanbul, Turkey.
  Title: Gazi Race
  Passage: The Gazi Race (Turkish: "Gazi Koşusu" ) is a Turkish thoroughbred horse flat race that is established in honor of the founder of the Turkish Republic Gazi Mustafa Kemal.  It is country's most prestigious horse racing event, which is held uninterruptedly since its establishment in 1927.  Restricted to 22 three-year-old thoroughbred horses, it is raced clockwise at a distance of 2400 m on turf (grass) track at the Veliefendi Race Course in Istanbul.
  Title: Grand Post Office
  Passage: The Istanbul Grand Post Office, aka Istanbul Main Post Office, (Turkish: "Büyük Postane" ) is an office building for postal services located at Sirkeci quarter of Fatih district in Istanbul, Turkey.  It was designed by architect Vedat Tek in and was constructed between 1905 and 1909.  The four-story building houses a post office, the Sirkeci Post Office (Turkish: "Sirkeci PTT Merkezi" ), office space for regional administration and also since 2000 the Istanbul Postal Museum (Turkish: "PTT İstanbul Müzesi" ).  It is Turkey's largest post office building.
  Title: Istanbul Railway Museum
  Passage: The Istanbul Railway Museum (Turkish: "İstanbul Demiryolu Müzesi" ) is a railway museum situated within the historic İstanbul Sirkeci Terminal at Sirkeci neighborhood of Fatih district in Istanbul, Turkey.  Opened on September 23, 2005, the museum is owned and operated by the Turkish State Railways (TCDD).
  Title: Sirkeci
  Passage: Sirkeci (] ) is a quarter in the Eminönü neighborhood of the Fatih district of the city of Istanbul, Turkey.  The neighborhood borders to the North the mouth of the Golden Horn, to the West the neighborhood of Bahçekapı, to the East the Topkapi Palace area, and to the South the Cağaloğlu neighborhood.  Sirkeci hosts Sirkeci Station, the Southeastern (thus "Oriental") long distance passenger train terminus in Europe for the Orient Express.
  Title: Istanbul Postal Museum
  Passage: The Istanbul Postal Museum, aka PTT Museum Istanbul (Turkish: "PTT İstanbul Müzesi" ), is a postal museum dedicated to the historical development of mail and telecommunication services in the Ottoman Empire and Turkey, exhibiting related equipment and instruments as well as a collection of postage stamps.  It was established in 2000 by the Turkish Post, and is situated inside the Grand Post Office building at Sirkeci quarter of Fatih district in Istanbul, Turkey.
citations: Istanbul Postal Museum Veliefendi Race Course