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_name_39 (primary_conference VARCHAR, team_nickname VARCHAR)

### Question ###
What primary conference does the team nicknamed Phoenix belongs to?

### Accurate SQL ###

SELECT primary_conference FROM table_name_39 WHERE team_nickname = "phoenix"