CREATE TABLE table_33390 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the essendon score when they were at home?
SELECT "Home team score" FROM table_33390 WHERE "Home team" = 'essendon'
SELECT "Home team score" FROM "table_33390" WHERE "Home team" = 'essendon'