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_36 ( part_2 VARCHAR, class VARCHAR )

### Question ###
What is the part 2 entry for class 3a?

### Accurate SQL ###

SELECT part_2 FROM table_name_36 WHERE class = "3a"