user: Question: What opponent had an attendance of 10,089?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['April 2', '@ Braves', '10–2', 'Gorzelanny (0–1)', '17,893', '1–1']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Attendance" = '10,089';