user: Question: What time did the match with an away team of Happy Valley Team B start?
Columns: ['Time', 'Home team', 'Score', 'Away team', 'Venue']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['14:00', 'Citizen Team A', '3 - 0', 'Mutual Team A', 'Mong Kok Stadium']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Away team" = 'Happy Valley Team B';