CREATE TABLE table_55831 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the crowd size at the moorabbin oval venue?
SELECT COUNT("Crowd") FROM table_55831 WHERE "Venue" = 'moorabbin oval'
SELECT COUNT("Crowd") FROM "table_55831" WHERE "Venue" = 'moorabbin oval'