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_5 (conference_joined VARCHAR, city VARCHAR)

### Question ###
What conference did the city of Valparaiso join?

### Accurate SQL ###

SELECT conference_joined FROM table_name_5 WHERE city = "valparaiso"