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_name_7 ( mascot VARCHAR, principal__2013_2014_ VARCHAR )

### Question ###
What was the mascot for the 2013-2014 principal named Frank Hendricsen?

### Accurate SQL ###

SELECT mascot FROM table_name_7 WHERE principal__2013_2014_ = "frank hendricsen"