CREATE TABLE table_33509 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the smallest crowd at victoria park?
SELECT MIN("Crowd") FROM table_33509 WHERE "Venue" = 'victoria park'
SELECT MIN("Crowd") FROM "table_33509" WHERE "Venue" = 'victoria park'