CREATE TABLE table_52585 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the average crowd size for the home team essendon?
SELECT AVG("Crowd") FROM table_52585 WHERE "Home team" = 'essendon'
SELECT AVG("Crowd") FROM "table_52585" WHERE "Home team" = 'essendon'