user: Question: What was the Attendance on May 12, when the New York Yankees were the Opponent?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['May 1', '@ New York Yankees', '2-5', 'Abbott (0-3)', '20,477', '8-17']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Opponent" = 'New York Yankees' AND "Date" = 'May 12';