Which mean pick number had a Reg GP of 0, and a Pl GP that was bigger than 0?
CREATE TABLE table_57715 (
    "Rd #" real,
    "Pick #" real,
    "Player" text,
    "Reg GP" real,
    "Pl GP" real
)
SELECT AVG("Pick #") FROM table_57715 WHERE "Reg GP" = '0' AND "Pl GP" > '0'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which mean pick number had a Reg GP of 0, and a Pl GP that was bigger than 0? ### Input: CREATE TABLE table_57715 (
    "Rd #" real,
    "Pick #" real,
    "Player" text,
    "Reg GP" real,
    "Pl GP" real
) ### Response: SELECT AVG("Pick #") FROM table_57715 WHERE "Reg GP" = '0' AND "Pl GP" > '0'