user: ### NOW ANSWER:
Question: What was the attendance for the game that has a tie number of 13?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['1', 'Oxford United', '0 – 0', 'Southend United', 5163.0]
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Tie no" = '13';