user: Question: What is the Date of the Crystal Palace Away game?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Sheffield United', '0–1', 'Manchester United', '11 Mar 1990']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Away team" = 'Crystal Palace';