question: What is the place of birth of Catherine Barclay's husband?
context: [["Rocky Shades", ["Robert K. Barclay( born 22 January 1960), professionally known as Rocky Shades, is an English singer."]], ["Dominic Barclay", ["Dominic Alexander Barclay( born 5 September 1976) is an English footballer who played as a forward in the Football League."]], ["Jon Leach", ["Jonathan Leach( born April 18, 1973) is a former professional tennis player from the United States.", "He is the husband of Lindsay Davenport."]], ["Stan Rice", ["Stan Rice( November 7, 1942 \u2013 December 9, 2002) was an American poet and artist.", "He was the husband of author Anne Rice."]], ["Stan Marks", ["Stan Marks is an Australian writer and journalist.", "He is the husband of Holocaust survivor Eva Marks."]], ["Emily Barclay", ["Emily Barclay( born 24 October 1984) is an English- born, New Zealand AFI award winning actress."]], ["Catherine Barclay", ["Catherine Barclay (born 12 June 1973) is a former professional tennis player from Australia.", "Barclay's parents were the owners of a tennis facility in Sydney, and she began playing tennis at the age of eight.", "In her junior career, she was a winner of the Wimbledon girls doubles.", "In her professional career, she won three ITF titles in singles and 30 in doubles.", "She was a quarterfinalist in the Wimbledon women's doubles and mixed doubles.", "In the 2002 season, she won two double titles on the WTA Tour.", "On 30 August 2000, she was awarded the Australian Sports Medal for her strong commitment to tennis.", "She retired in 2004.", "In 2003, she married to field hockey player Christopher Reitz of Germany, and they reside in Sydney, Australia."]], ["Charles James Barclay (admiral)", ["Charles James Barclay( born 8 September 1843) was a United States Navy officer."]], ["Christopher Reitz", ["Christopher Reitz (born 3 April 1973 in Frankfurt am Main, Hessen) is a German field hockey goalkeeper, who represented Germany in the 1992, 1996 and 2000 Summer Olympics.", "He is now an orthopaedic surgeon in Sydney, Australia."]], ["Brian Barclay", ["Brian Barclay( born 27 February 1938) is a former Australian rules footballer who played with Fitzroy in the Victorian Football League( VFL)."]]]
supporting_facts: [["Catherine Barclay", 8], ["Christopher Reitz", 0]]
evidences: [["Catherine Barclay", "spouse", "Christopher Reitz"], ["Christopher Reitz", "place of birth", "Frankfurt am Main"]]
answer: Frankfurt am Main