Task: Question Generation
Input (English): Context : Giant Magnolias on a Blue Velvet Cloth (1890) is an oil on canvas still-life by Martin Johnson Heade acquired by the National Gallery of Art in 1982. 
Subject : Giant Magnolias on a Blue Velvet Cloth 
Relation : collection
Output (English): What is the name of the place where Giant Magnolias on a Blue Velvet Cloth can be found?