user: Question: Who is the opponent on April 16?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['April 1', '@ Astros', '10–4', 'Jennings (0–1)', 43241.0, '0–1']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'April 16';