CREATE TABLE table_56168 ("Rd #" FLOAT, "Pick #" FLOAT, "Player" TEXT, "Team  ( League ) " TEXT, "Reg GP" FLOAT, "Pl GP" FLOAT)

What player has a number of playoff games played greater than 0?
SELECT "Player" FROM table_56168 WHERE "Pl GP" > '0'
SELECT "Player" FROM "table_56168" WHERE "Pl GP" > '0'