user: Question: How many people attended the Away team of middlesbrough?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['1', 'Sheffield United', '1 – 1', 'Hull City', 22283.0]
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Away team" = 'middlesbrough';