user: ### NOW ANSWER:
Question: Which Capacity has a School of windlehurst school, and an Ofsted smaller than 131889?
Columns: ['School', 'Locality', 'Ages', 'Capacity', 'Ofsted']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Castle Hill High School', 'Brinnington', '11-16', 132.0, 106172.0]
SQL:

assistant: SELECT SUM("Capacity") FROM "Table" WHERE "School" = 'windlehurst school' AND "Ofsted" < 131889.0;