Given the task definition and input, reply with output. 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.

Context : Early Edition is an American television drama series that aired on CBS broadcast network from September 28, 1996 to May 27, 2000.
Subject : Early Edition
Relation : original network
What network does Early Edition air on?