user: Question: What is the sum of Points, when Home is "pittsburgh", when Date is "december 21", and when Attendance is greater than 5307?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Attendance', 'Record', 'Points']
Types: ['text', 'text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['December 1', 'Pittsburgh', '4–4', 'Oakland', 2676.0, '5–12–5', 15.0]
SQL:

assistant: SELECT SUM("Points") FROM "Table" WHERE "Home" = 'pittsburgh' AND "Date" = 'december 21' AND "Attendance" > 5307.0;