
Why do you drag me into matters
WHICH have nothing to do with me...
The Big Bang Theory Season 2, Episode 1

...WHICH they threw intentionally
incomplete to avoid loss of yardage...
The Big Bang Theory Season 3, Episode 6

if one knows how to find it,
WHICH, it just so happens, I do.
Game of Thrones Season 3, Episode 9

Which they did, literally.
Breaking Bad Season 4, Episode 6

about WHICH kingdoms
belong to that throne.
Game of Thrones Season 7, Episode 3