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_97 (pl_gp INTEGER, pick__number VARCHAR, reg_gp VARCHAR)

### Question ###
Tell me the highest PI GP with pick # greater than 159 and reg GP more than 0

### Accurate SQL ###

SELECT MAX(pl_gp) FROM table_name_97 WHERE pick__number > 159 AND reg_gp > 0