user: ### NOW ANSWER:
Question: Which Tries for has Points against larger than 87, and Tries against smaller than 28, and Points diff of +63?
Columns: ['Team', 'Tries for', 'Tries against', 'Try diff', 'Points for', 'Points against', 'Points diff']
Types: ['text', 'real', 'real', 'text', 'real', 'real', 'text']
Sample row: ['Brive', 35.0, 14.0, '+21', 241.0, 102.0, '+139']
SQL:

assistant: SELECT AVG("Tries for") FROM "Table" WHERE "Points against" > 87.0 AND "Tries against" < 28.0 AND "Points diff" = '+63';