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_86 (election_date INTEGER, number_of_deputies VARCHAR, number_of_votes_received VARCHAR)

### Question ###
What was the average election year that has less than 136 deputies, and 1,560,753 votes received?

### Accurate SQL ###

SELECT AVG(election_date) FROM table_name_86 WHERE number_of_deputies < 136 AND number_of_votes_received = "1,560,753"