Question: Dieter Zorc is the father of the footballer who played what position?

Context paragraphs:
Dieter Zorc: Dieter Zorc (born 17 October 1939 – 16 October 2007) was a German football defender.  He was the father of Michael Zorc.

Dieter Frey: Dieter Frey (born 31 October 1972) is a German former footballer who played as a defender or midfielder.

Dieter Honecker: Dieter Honecker (23 October 1930 – 29 July 2012) was a German footballer who played for SV Saar 05 Saarbrücken and the Saarland national team as a forward.

Dieter Kalt: Dieter Kalt, Jr. (born 26 June 1974) is an Austrian former professional ice hockey player.  He most notably played for Klagenfurt AC in the Erste Bank Hockey League, his hometown club.  Following the footsteps of club legend and father Dieter Kalt Snr.  He is currently the director of player development with EC KAC.

Michael Zorc: Michael Zorc (born 25 August 1962) is a German retired footballer who played as a central midfielder.

Thirumal Valavan: Selvaraj Thirumala Valavan (born 27 November 1970 in Chennai, Tamil Nadu) is a former field hockey midfielder from India, who made his international debut for the Men's National Team in February 1997 against Poland.  Valavan represented his native country at the 2000 Summer Olympics in Sydney, Australia, where India finished in seventh place.  He comes from a hockey family and is the nephew of Former International M.P.Murugesh.  His father Selvaraj played for State Bank of India and brother Thirugnam currently plays for Madras Port Trust.  Selvaraj Thirumala Valavan currently plays for Indian Bank Team, Tamil Nadu in the position of Centre-Half.  For his outstanding contribution to the field of Hockey, he was conferred the award Tamil Nadu Chief Minister's Sports Award in the year of 1999-2000.  In the national level he has played the tournaments National Championship respectively in December 2000 held at Jammu, March 1999 held at Hyderabad where the team finished at the 2nd position, May 1997 held at Bangalore and finished at 2nd position.  He also participated in the year December 2002 - Hyderabad, June 1997 - Bangalore.  Selvaraj Thirumala Valavan also took part at the Muruguppa Gold Cup in the year July 1998 - Chennai (lost in semi-final).

Dieter Nüssing: Dieter Nüssing (born 15 August 1949 in Güls, a district in Koblenz) is a former German footballer who played as a midfielder.  He spent the majority of his career in the second tier of German football at 1.  FC Nuremberg, and is currently part of the staff at the club as a coach.

Dieter Burdenski: Dieter Burdenski (born 26 November 1950 in Bremen, Germany) is a German former footballer who played as a goalkeeper.

Dieter Müller: Dieter Müller (born Dieter Kaster on 1 April 1954) is a German former footballer who played as a forward.

Dieter Hoeneß: Dieter Hoeneß (born 7 January 1953) is a retired German footballer who played as a striker.

Supporting paragraphs: Dieter Zorc Michael Zorc
Answer: central midfielder