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_20 ( mascot VARCHAR, enrollment__2010_ VARCHAR, school VARCHAR )

### Question ###
What is the mascot with an enrollment (2010) less than 980, and heritage as the school?

### Accurate SQL ###

SELECT mascot FROM table_name_20 WHERE enrollment__2010_ < 980 AND school = "heritage"