Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_96 (pts INTEGER, wins VARCHAR, coach VARCHAR)
### Question:
What is the sum of points when Bruce Arena has 21 wins?
### Answer:
SELECT SUM(pts) FROM table_name_96 WHERE wins = 21 AND coach = "bruce arena"