what is the division in the western conference that finished 2nd in their division under rick adelman?
CREATE TABLE table_39874 (
    "Season" text,
    "Team" text,
    "Conf." text,
    "Conf. finish" text,
    "Div." text,
    "Div. Finish" text,
    "Awards" text,
    "Head coach" text
)
SELECT "Div." FROM table_39874 WHERE "Conf." = 'western' AND "Div. Finish" = '2nd' AND "Head coach" = 'rick adelman'
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: what is the division in the western conference that finished 2nd in their division under rick adelman? ### Input: CREATE TABLE table_39874 (
    "Season" text,
    "Team" text,
    "Conf." text,
    "Conf. finish" text,
    "Div." text,
    "Div. Finish" text,
    "Awards" text,
    "Head coach" text
) ### Response: SELECT "Div." FROM table_39874 WHERE "Conf." = 'western' AND "Div. Finish" = '2nd' AND "Head coach" = 'rick adelman'