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_16 (regular_season_champion_s_ VARCHAR, record VARCHAR, tournament_champion VARCHAR)

### Question ###
Which Regular Season Champion(s) has a Record of 9–0, and a Tournament Champion of north carolina?

### Accurate SQL ###

SELECT regular_season_champion_s_ FROM table_name_16 WHERE record = "9–0" AND tournament_champion = "north carolina"