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_97 (area_km_2 INTEGER, census_ranking VARCHAR)

### Question ###
What is the area of the community with a census ranking of 636 of 5,008?

### Accurate SQL ###

SELECT AVG(area_km_2) FROM table_name_97 WHERE census_ranking = "636 of 5,008"