user: Question: Who was the home team when Millwall was the away team?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Darlington', '1–1', 'Telford United', '29 January 1985']
SQL:

assistant: SELECT "Home team" FROM "Table" WHERE "Away team" = 'Millwall';