CREATE TABLE table_54769 ("Race" TEXT, "Circuit" TEXT, "Date" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Constructor" TEXT, "Tyre" TEXT, "Report" TEXT)

What is the date of the race when Jack Brabham is in the pole position and the circuit is Spa-Francorchamps?
SELECT "Date" FROM table_54769 WHERE "Pole position" = 'jack brabham' AND "Circuit" = 'spa-francorchamps'
SELECT "Date" FROM "table_54769" WHERE "Circuit" = 'spa-francorchamps' AND "Pole position" = 'jack brabham'