CREATE TABLE table_57769 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What's the average number of people in the Crowd that attend essendon games as the Home team?
SELECT AVG("Crowd") FROM table_57769 WHERE "Home team" = 'essendon'
SELECT AVG("Crowd") FROM "table_57769" WHERE "Home team" = 'essendon'