Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_22496374_1 (weight VARCHAR, home_town VARCHAR)

### Question ###
How many weight stats are there for players from San Francisco, CA?

### Accurate SQL ###

SELECT COUNT(weight) FROM table_22496374_1 WHERE home_town = "San Francisco, CA"