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_24 ( rd__number VARCHAR, reg_gp VARCHAR, pick__number VARCHAR )

### Question ###
What is the rd number where the reg GP is 0 and the pick is 150?

### Accurate SQL ###

SELECT COUNT(rd__number) FROM table_name_24 WHERE reg_gp = 0 AND pick__number = 150