What was the series count at on May 23? 
CREATE TABLE table_13762472_13 (series VARCHAR, date VARCHAR)
SELECT series FROM table_13762472_13 WHERE date = "May 23"
### Context: CREATE TABLE table_13762472_13 (series VARCHAR, date VARCHAR) ### Question: What was the series count at on May 23?  ### Answer: SELECT series FROM table_13762472_13 WHERE date = "May 23"