CREATE TABLE table_51422 ("Date" TEXT, "Venue" TEXT, "Score" TEXT, "Result" TEXT, "Competition" TEXT)

What is the competition that had a win result and a score of 3-1?
SELECT "Competition" FROM table_51422 WHERE "Result" = 'win' AND "Score" = '3-1'
SELECT "Competition" FROM "table_51422" WHERE "Result" = 'win' AND "Score" = '3-1'