Who won the tournament when Idaho State won the regular season?
CREATE TABLE table_73439 (
    "Conference" text,
    "Regular Season Winner" text,
    "Conference Player of the Year" text,
    "Conference Tournament" text,
    "Tournament Venue (City)" text,
    "Tournament Winner" text
)
SELECT "Conference Tournament" FROM table_73439 WHERE "Regular Season Winner" = 'Idaho State'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who won the tournament when Idaho State won the regular season? ### Input: CREATE TABLE table_73439 (
    "Conference" text,
    "Regular Season Winner" text,
    "Conference Player of the Year" text,
    "Conference Tournament" text,
    "Tournament Venue (City)" text,
    "Tournament Winner" text
) ### Response: SELECT "Conference Tournament" FROM table_73439 WHERE "Regular Season Winner" = 'Idaho State'