Who will Manchester United face in the Europa League semifinal if it beats Lyon?

Manchester United is currently held 4-4 by Lyon in its Europa League quarterfinal tie at Old Trafford in the second leg on Thursday.
Both teams drew 2-2 in the first leg in Lyon.
United is hoping to make its fourth Europa League semifinal since 2016-17.
Who could United face in the semifinal?
If United beats Lyon, it will face the winner of the Athletic Bilbao-Rangers quarterfinal tie.
The Bilbao is currently leading the tie 1-0 on aggregate.
The two-legged semifinals are set for May 1 and May 8.