Detailed Instructions: 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.
Problem:Context: Koo Ja-cheol (Hangul: ; born 27 February 1989) is a South Korean footballer who plays as midfielder for Bundesliga club FC Augsburg and the former captain of South Korean football team.
Question: In football, which position does Koo Ja-cheol play?
Solution:
midfielder