Question: Pumping Iron is a docudrama, released in what year, about the world of professional bodybuilding, with a focus on the 1975 IFBB Mr. Universe and 1975 Mr. Olympia competitions, the film also features segments on bodybuilder Francesco Columbu, an Italian actor, author, former champion bodybuilder and "World's Strongest Man" competitor?
{'answer': '1977', 'supporting_facts': [['Pumping Iron', 0], ['Franco Columbu', 0]]}