user: Question: What was the date of the game against Hayes & Yeading United?
Columns: ['Round', 'Date', 'Opponent', 'Venue', 'Result', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1 st', '15 December 2007', 'Hayes & Yeading United', 'Away', 'Won 5-0', '435']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Hayes & Yeading United';