user: Question: Who did the Indians play on April 23?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['April 5', '@ Twins', '7 - 4 (11)', 'Durbin (0-1)', '49,584', '0-1']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'April 23';