CREATE TABLE table_52546 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the lowest attendance at Windy Hill?
SELECT MIN("Crowd") FROM table_52546 WHERE "Venue" = 'windy hill'
SELECT MIN("Crowd") FROM "table_52546" WHERE "Venue" = 'windy hill'