Just answer any trivia question. Then give one of your own. Nothing too specialized, OK?
You can word the question in a way that doesn't make the question itself too obvious, if you want...
Category: TV
She was that girl. ___________ _____________

Marlo Thomas
Who sang the Letter from the 1970s?

The box tops..
Rerun was a main character in this show...

Wrong-Joe Cocker!
Edited to add: Yes, you are right-they were the original artists behind the song.
What's Happening?
LOTR Trivia:
Where does Aragorn first meet Frodo?

In that inn, I forget the name... In the "bar"/saloon/pub thingy...

Right-at the Prancing Pony! Very good.
Fill in the blank:
I do not know what _________ is in my blood.

"the midichlorian count"
Darn, you got me again....
I need the altitude ceiling of a P-51 mustang...

I do not know what Strength is in my blood (another LOTR question) but I will not let the White City Fall. Said at the death seem of Boromir and Aragorn.
I am sorry I only know the alititude ceiling for the P51.
To whom did Aragorn say this to: It is by my life or death I can protect you, I will. ?

Frodo
What is Gollums favorite dish?

You are correct, sir!
Gollum's favorite food is fish.
Okay how about:
Who says this: "You have a stout heart little hobbit but it will not save you."