user: Question: Which Opponent has a Date of May 30?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['May 1', '@ Angels', '1-0', 'Carrasco (0-2)', 41721.0, '13-12']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'May 30';