What is the number of races that took place with points of 257?
CREATE TABLE table_name_28 (races INTEGER, points VARCHAR)
SELECT SUM(races) FROM table_name_28 WHERE points = 257
### Context: CREATE TABLE table_name_28 (races INTEGER, points VARCHAR) ### Question: What is the number of races that took place with points of 257? ### Answer: SELECT SUM(races) FROM table_name_28 WHERE points = 257