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_2 ( district VARCHAR, reserved_for___sc___st__none_ VARCHAR, constituency_number VARCHAR )

### Question ###
Which district had SC reserved and 169 Constituents?

### Accurate SQL ###

SELECT district FROM table_name_2 WHERE reserved_for___sc___st__none_ = "sc" AND constituency_number = "169"