CREATE TABLE table_1018 ("Player" CLOB, "Position" CLOB, "Starter" CLOB, "Touchdowns" FLOAT, "Extra points" FLOAT, "Field goals" FLOAT, "Points" FLOAT)

Which player made 4 touchdowns while playing left halfback?
SELECT "Player" FROM table_1018 WHERE "Touchdowns" = '4' AND "Position" = 'Left halfback'
SELECT "Player" FROM "table_1018" WHERE "Position" = 'Left halfback' AND "Touchdowns" = '4'