The 1974 film "Lenny", starring Dustin Hoffman, told the story of which comedian?

Who co-hosted a CBS comedy hour with his wife in the 1970s and was elected to Congress in 1994? In which 1974 film does Michael say "I know it was you, Fredo. You broke my heart"? James Caan and Alan Arkin played San Francisco cops in which 1974 buddy comedy? Which Oscar host quipped about a 1974 streaker that the only laugh the man would ever get was "by stripping and showing… In which 1974 comedy does the hunchbacked servant insist "No, it's pronounced Eye-gor"? In which 1974 comedy does a character ask "Pardon me, boy, is this the Transylvania Station?" In which 1974 film does Noah Cross tell "Mr. Gittes" that "most people never have to face the fact that at the right ti… In which 1974 film does Faye Dunaway's character cry out "She's my sister and my daughter"?