user: Question: Which team did they play on September 19?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['September 1', 'Twins', '12 - 4', 'Smithson (13-11)', 26526.0, '78-57']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'September 19';