CREATE TABLE table_33630 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who was the away team at the game at Lake Oval?
SELECT "Away team score" FROM table_33630 WHERE "Venue" = 'lake oval'
SELECT "Away team score" FROM "table_33630" WHERE "Venue" = 'lake oval'