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', 'supporting_facts': [['Landscape with Obelisk', 0], ['Landscape with Obelisk', 3], ['Isabella Stewart Gardner Museum theft', 0], ['Isabella Stewart Gardner Museum theft', 3]]}