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_1930857_1 ( language VARCHAR, grades VARCHAR )

### Question ###
What's the language in the school teaching grades 4-12?

### Accurate SQL ###

SELECT language FROM table_1930857_1 WHERE grades = "4-12"