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_84 (catalog VARCHAR, label VARCHAR, format VARCHAR)

### Question ###
Name the catalog for alfa records and cd format

### Accurate SQL ###

SELECT catalog FROM table_name_84 WHERE label = "alfa records" AND format = "cd"