user: Question: Who was the opponent at the game when the record was 28–45?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['June 1', 'Royals', '11–3', 'Singer (2–7)', 33004.0, '18–29']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Record" = '28–45';