Task: Question Understanding
Input (English): Context : Portrait of Pier Maria Rossi di San Secondo is a painting by the Italian Mannerist artist Parmigianino, executed around 1535--1539 and housed in the Museo del Prado, Madrid, Spain. 
Question : What is the name of the place where Portrait of Pier Maria Rossi di San Secondo can be found?
Output (English): collection