Table schema:
CREATE TABLE table_name_67 (licence_award_date VARCHAR, on_air_date VARCHAR, region VARCHAR)

Question: What was the license award date for the ensemble from South Wales and the Severn Estuary that was on air in July 2001?
SQL: SELECT licence_award_date FROM table_name_67 WHERE on_air_date = "july 2001" AND region = "south wales and the severn estuary"