What regular season did the team reach the conference semifinals in the playoffs?
CREATE TABLE table_name_78 (
    regular_season VARCHAR,
    playoffs VARCHAR
)
SELECT regular_season FROM table_name_78 WHERE playoffs = "conference semifinals"
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 regular season did the team reach the conference semifinals in the playoffs? ### Input: CREATE TABLE table_name_78 (
    regular_season VARCHAR,
    playoffs VARCHAR
) ### Response: SELECT regular_season FROM table_name_78 WHERE playoffs = "conference semifinals"