user: Question: Which opponents are on the date July 22?
Columns: ['Week', 'Date', 'Opponent', 'Location', 'Final Score', 'Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'July 7', 'CFLers', 'SkyDome', 'L 28–20', 13101.0, '0–1']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'July 22';