CREATE TABLE table_70159 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Crowd" TEXT, "Record" TEXT)

Who lost that has a score of w 4-3?
SELECT "Loss" FROM table_70159 WHERE "Score" = 'w 4-3'
SELECT "Loss" FROM "table_70159" WHERE "Score" = 'w 4-3'