user: Question: What's the sum of attendance when banbury united is the away team and tie no is over 102?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [59.0, 'Billericay Town', '4–1', 'FC Clacton', 337.0]
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Away team" = 'banbury united' AND "Tie no" > 102.0;