CREATE TABLE table_4817 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What team plays at home at Lake Oval?
SELECT "Home team" FROM table_4817 WHERE "Venue" = 'lake oval'
SELECT "Home team" FROM "table_4817" WHERE "Venue" = 'lake oval'