How many divisions have been won when the playoff result is conference quarterfinals.
CREATE TABLE table_1427998_1 (
    division VARCHAR,
    playoffs VARCHAR
)
SELECT COUNT(division) FROM table_1427998_1 WHERE playoffs = "Conference Quarterfinals"
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: How many divisions have been won when the playoff result is conference quarterfinals. ### Input: CREATE TABLE table_1427998_1 (
    division VARCHAR,
    playoffs VARCHAR
) ### Response: SELECT COUNT(division) FROM table_1427998_1 WHERE playoffs = "Conference Quarterfinals"