Death by Cable Car
"I'm telling you, the clues are all there."
"How can you possibly believe that he murdered a woman with a cable car? They're in Sacramento," Amy sputtered .
"So?"
"The cable car is obviously in the Dolomites, so, it doesn't work that way."
He flipped open the envelope and cried in triumph. "Ha! I told you… Col. Mustard in the Library with the Gondola."
That was the last time Amy agreed to play 'Clue' with The Doctor