CREATE TABLE table_name_90 (pl_gp VARCHAR(255), pick__number VARCHAR(255), reg_gp VARCHAR(255), rd__number VARCHAR(255))
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?
    
SQL: SELECT COUNT(pl_gp) FROM table_name_90 WHERE reg_gp = 0 AND rd__number > 8 AND pick__number > 146