CREATE TABLE table_56878 ("Race" CLOB, "Circuit" CLOB, "Date" CLOB, "Pole position" CLOB, "Fastest lap" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Tyre" CLOB, "Report" CLOB)

Name the circuit when the fastest lap was john surtees and the winning driver was john surtees.
SELECT "Circuit" FROM table_56878 WHERE "Fastest lap" = 'john surtees' AND "Winning driver" = 'john surtees'
SELECT "Circuit" FROM "table_56878" WHERE "Fastest lap" = 'john surtees' AND "Winning driver" = 'john surtees'