user: Question: What is the date where Guatemala is the Away team?
Columns: ['Date', 'Tournament', 'Location', 'Home team', 'Score', 'Away team']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['7 April 2013', '2013 CONCACAF U-17 Championship', 'Panama City , Panama', 'Cuba', '1:5', 'Mexico']
SQL:

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