user: Question: What's greatest attendance on May 7?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['May 2', 'Tigers', '11 - 1', 'Galarraga (2-1)', 33628.0, '14-14']
SQL:

assistant: SELECT MAX("Attendance") FROM "Table" WHERE "Date" = 'May 7';