user: Question: Opponents of Police, and a Venue of Selayang Municipal Council Stadium had what date?
Columns: ['Date', 'Venue', 'Opponents', 'Score', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['December 22, 2006', 'Tuanku Abdul Rahman Stadium, Paroi', 'Plus FC', '2-1', 'PL']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponents" = 'Police' AND "Venue" = 'Selayang Municipal Council Stadium';