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_1506619_1 ( type VARCHAR, school_board VARCHAR )

### Question ###
The Rainbow District School Board is associated with what type?

### Accurate SQL ###

SELECT type FROM table_1506619_1 WHERE school_board = "Rainbow District school_board"