user: Question: What is the winners share ($) that has U.S. Open as the tournament?
Columns: ['Date', 'Tournament', 'Location', 'Winner', 'Score', "Winner's share ( $ )"]
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Jan 10', 'Glen Campbell-Los Angeles Open', 'California', 'Bob Lunn (5)', '274 (–10)', '22,000']
SQL:

assistant: SELECT "Winner's share ( $ )" FROM "Table" WHERE "Tournament" = 'U.S. Open';