Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_95 (conference_joined VARCHAR, previous_conference VARCHAR, mascot VARCHAR)
### Question:
Which Conference Joined has a Previous Conference of northwestern, and a Mascot of oilers?
### Answer:
SELECT conference_joined FROM table_name_95 WHERE previous_conference = "northwestern" AND mascot = "oilers"