user: ### NOW ANSWER:
Question: Who was the home team of the match on 21.10.07, which had BSC Young Boys (ASL) as the geust?
Columns: ['Date', 'Time', 'Home', 'Geust', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['20.10.07', '15:00', 'SC Binningen (2.L)', 'FC Basel (ASL)', '1:6']
SQL:

assistant: SELECT "Home" FROM "Table" WHERE "Date" = '21.10.07' AND "Geust" = 'BSC Young Boys (ASL)';