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_1969577_3 (type VARCHAR, nickname VARCHAR)

### Question ###
What's the type of the school whose students are nicknamed Chargers?

### Accurate SQL ###

SELECT type FROM table_1969577_3 WHERE nickname = "Chargers"