CREATE TABLE table_78309 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Where did Essendon play as the home team?
SELECT "Venue" FROM table_78309 WHERE "Home team" = 'essendon'
SELECT "Venue" FROM "table_78309" WHERE "Home team" = 'essendon'