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_72 ( area__km_2__ INTEGER, place VARCHAR, population VARCHAR )

### Question ###
What's the most area of Bochum Part 2 with a population less than 15,911?

### Accurate SQL ###

SELECT MAX(area__km_2__) FROM table_name_72 WHERE place = "bochum part 2" AND population < 15 OFFSET 911