question: What is the name of the painting stolen on March 19, 1990 for which a museum initially offered a $5 million reward for information leading towards its recovery?
answer: Landscape with Obelisk is painting by Dutch artist Govert Flinck
context: Title: Garbage Museum
  Passage: The Garbage Museum was a waste-management themed museum located in Stratford, Connecticut, United States.  Constructed and opened in 1994, the recycling facility and museum was constructed for a cost of $5 million and funded through a group of 19 local municipalities, collectively known as the Southwest Connecticut Recycling Committee.  The museum was operated by the Connecticut Resources Recovery Authority which focused on empowering visitors with knowledge about waste management and allowed visitors to watch the sorting process of recyclables.  The most iconic exhibit was Trash-o-saurus, a dinosaur sculpture made of garbage.  Funding for the museum dropped in 2009 due to expiring contracts, but remained open until 2011.  The closure of the museum followed a failed fundraising campaign.  In 2014, the Connecticut General Assembly approved a measure to fund the museum by allowing the Connecticut Department of Energy and Environmental Protection to award a grant of up to $100,000 to the Connecticut Resource Recovery Authority.
  Title: Narcotics Rewards Program
  Passage: The Narcotics Rewards Program is a program of the United States Department of State that offers rewards up to US$5 million for information leading to the arrest or conviction of major international narcotics traffickers who send drugs into the United States.  It was established by Congress in 1986, and as of 2011 it has paid out over $62 million.
  Title: 2013 $45-million ATM cyber looting
  Passage: In December 2012 and February 2013, a cyber-ring of criminals, operating in more than 24 countries, stole $45 million from thousands of Automated Teller Machines (ATMs) in an ATM looting.  Roughly $5 million was stolen around the world on December 21, 2012.  Success led to expansion of the crime, when an additional $40 million was stolen on February 19, 2013.
  Title: Landscape with Obelisk
  Passage: Landscape with Obelisk is painting by Dutch artist Govert Flinck, painted in 1638.  The oil-on-wood painting measures 54.5 x .  It was formerly attributed to Rembrandt.  The painting hung in the Isabella Stewart Gardner Museum of Boston, Massachusetts, United States, prior to being stolen in 1990.
  Title: Umar Patek
  Passage: Umar Patek (born 1970) is an Indonesian member of Jemaah Islamiyah who was wanted in the United States, Australia, and Indonesia on terrorism charges.  There was a US$1 million reward offered by the Rewards For Justice Program for information leading to his capture.  In June 2012 Patek was convicted for his involvement in the 2002 bombings in Bali, Indonesia, which killed 202 people.
  Title: Isabella Stewart Gardner Museum theft
  Passage: In the early hours of March 18, 1990, guards at the Isabella Stewart Gardner Museum in Boston admitted two men posing as police officers responding to a disturbance call.  Once inside, the men tied up the guards and, over the next hour, stole 13 works of art valued at $500 millionthe largest-value theft of private property in history.  Despite efforts by the Federal Bureau of Investigation (FBI) and multiple probes around the world, no arrests have been made and no works have been recovered.  The museum initially offered a reward of $5 million for information leading to their recovery, but in 2017 this was doubled temporarily to $10 million with an expiration date set to the end of the year.
citations: Isabella Stewart Gardner Museum theft Landscape with Obelisk