Question: Sunderland Association Football Club is an English professional football club that plays in a championship referred to as the Sky Bet Championship for what reasons?
Sentence (from "List of Sunderland A.F.C. seasons"): In the 1986–87 season Sunderland were relegated to the Football League Third Division for the first time in their history under the management of Lawrie McMenemy, they however, returned to the second division the following season as champions–their lowest position in the English football league system.
Relevant evidence: No