CREATE TABLE table_47719 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Ground" TEXT, "Crowd" FLOAT, "Date" TEXT)

Which Crowd has a Home team of st kilda?
SELECT "Crowd" FROM table_47719 WHERE "Home team" = 'st kilda'
SELECT "Crowd" FROM "table_47719" WHERE "Home team" = 'st kilda'