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_71 ( state_s_ VARCHAR, percent_change__1990_2000_ VARCHAR )

### Question ###
What is the 2000 population in OK with a 1990-2000 percent change of A078 +17.22%?

### Accurate SQL ###

SELECT 2000 AS _population FROM table_name_71 WHERE state_s_ = "ok" AND percent_change__1990_2000_ = "a078 +17.22%"