Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Q: Context : The Ambushers is a novel by Donald Hamilton first published in 1963, continuing the exploits of assassin Matt Helm.
Answer : Matt Helm

A: Which series is The Ambushers apart of?
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Q: Context : A Window in Piccadilly is a 1928 British silent romance film directed by Sidney Morgan and starring Joan Morgan, John F. Hamilton and James Carew.
Answer : Sidney Morgan

A: What production company or companies created A Window in Piccadilly?
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Q: Context : Pokemon Gold and Silver are set in the region of Johto, situated to the west of the Kanto region from the previous Red and Blue games, and three years after the conclusion of the previous games.
Answer : Kanto

A:
Which place does Pokemon Gold and Silver exist in?
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