user: Question: What was the date of A. Benes loss to the Rockies?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record', 'Streak']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['March 31', 'Rockies', '9-2 L', 'A. Benes', '47,484', '0-1', 'Loss 1']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Loss" = 'A. Benes' AND "Opponent" = 'Rockies';