CREATE TABLE table_56579 ("Player" TEXT, "Position" TEXT, "Tries" FLOAT, "Goals" FLOAT, "Points" FLOAT)

How many tries did the player Paul Sykes take when he earned 0 points?
SELECT MAX("Tries") FROM table_56579 WHERE "Player" = 'paul sykes' AND "Points" > '0'
SELECT MAX("Tries") FROM "table_56579" WHERE "Player" = 'paul sykes' AND "Points" > '0'