Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_90 (pl_gp VARCHAR, pick__number VARCHAR, reg_gp VARCHAR, rd__number VARCHAR)

### 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?

### Accurate SQL ###

SELECT COUNT(pl_gp) FROM table_name_90 WHERE reg_gp = 0 AND rd__number > 8 AND pick__number > 146