user: Question: Who was the home team in the match that had an away team of Convoy Sun Hei Team B?
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 "Home team" FROM "Table" WHERE "Away team" = 'Convoy Sun Hei Team B';