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_41 (area__km_2__ INTEGER, rank VARCHAR, location VARCHAR, population__2000_ VARCHAR)

### Question ###
What is the largest area in Alaska with a population of 39 and rank over 19?

### Accurate SQL ###

SELECT MAX(area__km_2__) FROM table_name_41 WHERE location = "alaska" AND population__2000_ = "39" AND rank > 19