[OKSooner]

"Does" is singular. "How much chocolate does Hostage eat in a week?"

The plural of "Does" is "DO".

"How much chocolate DO Hostage and Trump eat in a week?"

[Hostage]

Nah, just an add-on after starting out singular. People do it all the damn time.

What does THIS have to do with that?

Or,

What does this HAS to do with that?

In the above, what is THIS? Answer: the Department of Justice and FBI.
What? That’s two things!
No, they are one thing as FBI is under DOJ.
Yes, but but but you shoulda used THESE not THIS!
You’re a moron.
And you’re not my President!
Have a Cheeto.