Given the task definition and input, reply with output. Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: The Saga of Erik the Viking is a children's novel written by the Welsh comedian Terry Jones, illustrated by Michael Foreman, and published by Pavilion in 1983.
Question: What is the name of the ilustrator of the book The Saga of Erik the Viking?
michael foreman