user: Question: What is the date of the match where Vampiro was the winner in Mexico City?
Columns: ['Wager', 'Winner', 'Loser', 'Location', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Hair', 'Vampiro', 'Bestia Negra II', 'Xochimilco , Mexico City', 'March 21, 1992']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Location" = 'Mexico City' AND "Winner" = 'Vampiro';