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_26 ( city VARCHAR, rank VARCHAR )

### Question ###
What was the 2010 population of frankfort which has a rank smaller than 14?

### Accurate SQL ###

SELECT AVG(2010 AS _pop) FROM table_name_26 WHERE city = "frankfort" AND rank < 14