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_1427998_1 (division VARCHAR, playoffs VARCHAR)

### Question ###
How many divisions have been won when the playoff result is conference quarterfinals.

### Accurate SQL ###

SELECT COUNT(division) FROM table_1427998_1 WHERE playoffs = "Conference Quarterfinals"