Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
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%?
### Answer:
SELECT 2000 AS _population FROM table_name_71 WHERE state_s_ = "ok" AND percent_change__1990_2000_ = "a078 +17.22%"