user: ### NOW ANSWER:
Question: When did Shirley Fry Irvin win the US Open?
Columns: ['Player', 'Australian Open', 'French Open', 'Wimbledon', 'US Open']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Maureen Connolly Brinker', 1953.0, 1953.0, 1952.0, 1951.0]
SQL:

assistant: SELECT MIN("US Open") FROM "Table" WHERE "Player" = 'Shirley Fry Irvin';