user: Question: What is the sum number of Pl GP when the Reg GP was 0, the Rd number was bigger than 8, and the pick number was bigger than 146?
Columns: ['Rd #', 'Pick #', 'Player', 'Reg GP', 'Pl GP']
Types: ['real', 'real', 'text', 'real', 'real']
Sample row: [1.0, 3.0, 'Dennis Ververgaert', 409.0, 3.0]
SQL:

assistant: SELECT SUM("Pl GP") FROM "Table" WHERE "Reg GP" = 0.0 AND "Rd #" > 8.0 AND "Pick #" > 146.0;