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_1529793_1 (primary_sponsor_s_ VARCHAR, driver_s_ VARCHAR)

### Question ###
Who is Jason Leffler's primary sponsor?

### Accurate SQL ###

SELECT primary_sponsor_s_ FROM table_1529793_1 WHERE driver_s_ = "Jason Leffler"