Table schema:
CREATE TABLE table_12720275_1 (combined_statistical_area__or_metropolitan_statistical_area_if_noted_ VARCHAR)

Question: What is the 2007 estimate for tulsa-bartlesville, ok csa?
SQL: SELECT 2007 AS _estimate FROM table_12720275_1 WHERE combined_statistical_area__or_metropolitan_statistical_area_if_noted_ = "Tulsa-Bartlesville, OK CSA"