What is the sum of points when Bruce Arena has 21 wins?
CREATE TABLE table_79985 (
    "Coach" text,
    "Club" text,
    "Wins" real,
    "Loss" real,
    "PCT." real,
    "PTS." real
)
SELECT SUM("PTS.") FROM table_79985 WHERE "Wins" = '21' AND "Coach" = 'bruce arena'
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 points when Bruce Arena has 21 wins? ### Input: CREATE TABLE table_79985 (
    "Coach" text,
    "Club" text,
    "Wins" real,
    "Loss" real,
    "PCT." real,
    "PTS." real
) ### Response: SELECT SUM("PTS.") FROM table_79985 WHERE "Wins" = '21' AND "Coach" = 'bruce arena'