CREATE TABLE table_53308 ("Date" TEXT, "Competition" TEXT, "Venue" TEXT, "Result" TEXT, "Score" TEXT, "Goals" TEXT)

Where was the game that had a final score of 30-20?
SELECT "Venue" FROM table_53308 WHERE "Score" = '30-20'
SELECT "Venue" FROM "table_53308" WHERE "Score" = '30-20'