What is the sum of every REG GP that Peter Andersson played as a pick# less than 143?
CREATE TABLE table_54771 (
    "Rd #" real,
    "Pick #" real,
    "Player" text,
    "Team (League)" text,
    "Reg GP" real,
    "Pl GP" real
)
SELECT SUM("Reg GP") FROM table_54771 WHERE "Player" = 'peter andersson' AND "Pick #" < '143'
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: What is the sum of every REG GP that Peter Andersson played as a pick# less than 143? ### Input: CREATE TABLE table_54771 (
    "Rd #" real,
    "Pick #" real,
    "Player" text,
    "Team (League)" text,
    "Reg GP" real,
    "Pl GP" real
) ### Response: SELECT SUM("Reg GP") FROM table_54771 WHERE "Player" = 'peter andersson' AND "Pick #" < '143'