CREATE TABLE table_56848 ("Rd #" FLOAT, "Pick #" FLOAT, "Player" TEXT, "Team  ( League ) " TEXT, "Reg GP" FLOAT, "Pl GP" FLOAT)

Tell me the highest PI GP with pick # greater than 159 and reg GP more than 0
SELECT MAX("Pl GP") FROM table_56848 WHERE "Pick #" > '159' AND "Reg GP" > '0'
SELECT MAX("Pl GP") FROM "table_56848" WHERE "Pick #" > '159' AND "Reg GP" > '0'