user: Question: What is the sum of Spike when the Weight was more than 84, and Block was less than 315?
Columns: ['Name', 'Date of Birth', 'Height', 'Weight', 'Spike', 'Block']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Andrzej Stelmach', '15.08.1972', 200.0, 98.0, 330.0, 220.0]
SQL:

assistant: SELECT SUM("Spike") FROM "Table" WHERE "Weight" > 84.0 AND "Block" < 315.0;