CREATE TABLE table_33606 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the smallest crowd for the Richmond home team?
SELECT MIN("Crowd") FROM table_33606 WHERE "Home team" = 'richmond'
SELECT MIN("Crowd") FROM "table_33606" WHERE "Home team" = 'richmond'