user: Question: What is the home team that played Derby County as the away team?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Sheffield Wednesday', '0–1', 'Chelsea', '13 February 1999']
SQL:

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