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
context: Title: Lou Ferrigno
  Passage: Louis Jude "Lou" Ferrigno ( ; born November 9, 1951) is an American actor, fitness trainer, fitness consultant and retired professional bodybuilder.  As a bodybuilder, Ferrigno won an IFBB Mr. America title and two consecutive IFBB Mr. Universe titles, and appeared in the bodybuilding documentary "Pumping Iron".  As an actor, he is best known for his title role in the CBS television series "The Incredible Hulk" and vocally reprising the role in subsequent animated and computer-generated incarnations.  He has also appeared in European-produced fantasy-adventures such as "Sinbad of the Seven Seas" and "Hercules", and as himself in the sitcom "The King of Queens" and the 2009 comedy "I Love You, Man".
  Title: Pumping Iron
  Passage: Pumping Iron is a 1977 docudrama about the world of professional bodybuilding, with a focus on the 1975 IFBB Mr. Universe and 1975 Mr. Olympia competitions.  Directed by George Butler and Robert Fiore, it is inspired by a book of the same name by Butler and Charles Gaines, and nominally centers on the competition between Arnold Schwarzenegger and one of his primary competitors for the title of Mr. Olympia, Lou Ferrigno.  The film also features segments on bodybuilders Franco Columbu and Mike Katz, in addition to appearances by Ken Waller, Ed Corney, Serge Nubret, and other famous bodybuilders of the era.
  Title: Franco Columbu
  Passage: Francesco Columbu (born in Ollolai, Sardinia, August 7, 1941) is an Italian actor, author, former champion bodybuilder and "World's Strongest Man" competitor.
  Title: 2017 Mr. Olympia
  Passage: The 2017 Mr. Olympia contest was a weekend long IFBB professional bodybuilding competition that was held on September 14 to 17, 2017, in Las Vegas, Nevada.  This was the 53rd Mr. Olympia competition celebrated.  The weekend competition is also known as the Joe Weider's Olympia Fitness and Performance Weekend.  While the main event was the competition for the title of Mr. Olympia, several other events were held which includes the Amateur competition and sports expo.
citations: Franco Columbu Pumping Iron