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_10968 ( "Race" text, "Circuit" text, "Date" text, "Pole position" text, "Fastest lap" text, "Winning driver" text, "Constructor" text, "Tyre" text, "Report" text )

### Question ###
Tell me the fastest lapf or jim clark being the winning driver for prince george

### Accurate SQL ###

SELECT "Fastest lap" FROM table_10968 WHERE "Winning driver" = 'jim clark' AND "Circuit" = 'prince george'