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?
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END] 
Answer: 
Landscape with Obelisk is painting by Dutch artist Govert Flinck
Landscape with Obelisk is painting by Dutch artist Govert Flinck