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_17 ( inegi_code INTEGER, population_density___km_2__ VARCHAR, human_development_index__2000_ VARCHAR )

### Question ###
WHich INEGI code has a Population density (/km 2 ) smaller than 81.4 and 0.6593 Human Development Index (2000)?

### Accurate SQL ###

SELECT AVG(inegi_code) FROM table_name_17 WHERE population_density___km_2__ < 81.4 AND human_development_index__2000_ = 0.6593