Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Jean Hagen (August 3, 1923 -- August 29, 1977) was an American actress best known for her role as Lina Lamont in Singin' in the Rain (1952), for which she was nominated for an Academy Award for Best Supporting Actress.
Question: What was Jean Hagen nominated for?
academy award for best supporting actress