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_31010 ( "Rnd" text, "Circuit" text, "AP Winning Team" text, "BP Winning Team" text, "CM Winning Team" text, "CP Winning Team" text, "DM Winning Team" text, "DP Winning Team" text, "EM Winning Team" text, "EP Winning Team" text, "FM Winning Team" text, "FP Winning Team" text, "GM Winning Team" text, "GP Winning Team" text, "HM Winning Team" text, "HP Winning Team" text, "Results" text )

### Question ###
Who was the EP winning team when the CP winning team was Dave Clark and the GM winning team was Stuart Northrup?

### Accurate SQL ###

SELECT "EP Winning Team" FROM table_31010 WHERE "CP Winning Team" = 'Dave Clark' AND "GM Winning Team" = 'Stuart Northrup'