There are a variety of things that are possible to be debated. The key thing, though, is not the nature of the debate so much as the fact that those two chambers have decided to not give that chamber any decision making power. The decision rests with the main chamber. That's really the key point there. Of course, the low quorum speaks to what Mr. Reid was saying, and that is that attendance, therefore, is not what it is in the House.
On April 14th, 2016. See this statement in context.