user: Question: What is the Tie Number when the home team was West Ham United?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Southampton', '1–2', 'Barnsley', '4 March 1985']
SQL:

assistant: SELECT "Tie no" FROM "Table" WHERE "Home team" = 'West Ham United';