Conversation so far:
Did Bill Richardson run for the house of representative?
in 1980
Did Bill Richardson win or lose when he ran for house of representatives in 1980?
Bill Richardson lost to longtime 1st District representative and future United States Secretary of the Interior
Who was Bill Richardson opponent?
Manuel Lujan
Did Bill Richardson win any election?
Bill Richardson was elected to New Mexico's newly created third district, taking in most of the northern part of the state

Question: For how long was he in the office?
Self-contained rewrite: For how long was Bill Richardson in the office?