Definition: You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
Input: Context : Created by Adrian Hodges and Tim Haines, who previously created the Walking with... documentary series, Primeval follows a team of scientists tasked with investigating the appearance of temporal anomalies across Great Britain through which prehistoric and futuristic creatures enter the present, as well as trying to stop the end of the world.
Subject : Primeval
Relation : original network
Output:
The show Primeval originally aired on what network?