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_4 (regular_season_champion_s_ VARCHAR, tournament_champion VARCHAR, year VARCHAR)

### Question ###
Which Regular Season Champion(s) has a Tournament Champion of west virginia in 1955–56?

### Accurate SQL ###

SELECT regular_season_champion_s_ FROM table_name_4 WHERE tournament_champion = "west virginia" AND year = "1955–56"