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_56 (number_of_electorates__2009_ VARCHAR, constituency_number VARCHAR, district VARCHAR, reserved_for___sc___st__none_ VARCHAR)

### Question ###
Which Number of electorates (2009) has a District of jhajjar, and a Reserved for (SC/ST/None) of sc, and a Constituency number smaller than 66?

### Accurate SQL ###

SELECT COUNT(number_of_electorates__2009_) FROM table_name_56 WHERE district = "jhajjar" AND reserved_for___sc___st__none_ = "sc" AND constituency_number < 66