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_2538117_2 (type VARCHAR, founding_university VARCHAR)

### Question ###
how many types of organization were founded in san diego state university? 

### Accurate SQL ###

SELECT COUNT(type) FROM table_2538117_2 WHERE founding_university = "San Diego State University"