Question: Jock Semple attempted to tear off the number of the female competitor born in what German city?

Context paragraphs:
Annie Last: Annie Last (born 7 September 1990), is an English professional cyclist, who specialises in mountain biking and cyclo-cross.  She was chosen as a female competitor in the cross country mountain bike event for the Great Britain team at the 2012 Summer Olympics.  She then went on to take 8th place.

Jock Semple: John Duncan "Jock" Semple (October 26, 1903 – March 10, 1988) was a Scottish-American runner, physical therapist, trainer, and sports official.  In 1967, he attained worldwide notoriety as a race official for the Boston Marathon, when he attempted to tear off the number of Kathrine Switzer, who was officially entered despite a ban on female competitors.  He subsequently oversaw implementation of qualifying times in 1970 and the formal admission of female runners in 1972.

Kathrine Switzer: Kathrine Virginia "Kathy" Switzer (born January 5, 1947, in Amberg, Germany) is an American marathon runner, author, and television commentator.

Darlene Anaya: Darlene Anya (Darlen Anya, Rosalie Darlene Anaya) is a former judo Olympian for the United States.  She was born on 20-Aug-1961.  She competed in the 1984 Los Angeles Olympics and would go on to win the silver medal in the under 48 kg division.  She was elected the United States Judo Association Hall of Fame as an outstanding female competitor.  She is a second generation judoka having been trained by her father Levi A. Anaya.  She would go on to a career in law enforcement in her native Albuquerque, where she would be the first woman shot in the line of duty.  She would receive the Purple Heart and would later retire.

Ana María Dellai: Ana María Dellai (born 16 October 1929) is a retired Argentinean alpine skier.  She competed at the 1952 Winter Olympics in the downhill, slalom and giant slalom events and placed 28th–31st.  She was the only female competitor from Argentina at those Olympics.

Diane Pierce Tudela: Diane Pierce Tudela is a former 3 time US National Champion in Judo.  She has been considered a top 10 female competitor in Judo regardless of weight class.  She competed and earned Gold Medals in the 1974, 1975, and 1977 US National Championships.  She earned a bronze in the US National Championships 1978 as well.  She married fellow Judoka Miguel Tudela.  She was well known for her Arm Bar.  She currently serves as a coach in the US Judo Training Center.

1900 Wimbledon Championships – Women's Singles: Charlotte Cooper defeated Louisa Martin 8–6, 5–7, 6–1 in the All Comers' Final, but the reigning champion Blanche Hillyard defeated Cooper 4–6, 6–4, 6–4 in the Challenge Round to win the Ladies' Singles tennis title at the 1900 Wimbledon Championships.  Marion Jones (USA) was the first female competitor from overseas.

Caren Metschuck: Caren Metschuck (later Caren Mahn, born 27 September 1963) is a German former swimmer and a multiple Olympic gold medalist.  At the 1980 Summer Olympics in Moscow, she won gold medals in the 100 m butterfly, 4×100 m freestyle relay team and 4×100 m backstroke relay, becoming the most successful female competitor of the Summer Olympic Games that year.

Katie Walsh (jockey): Katie Walsh (born 18 December 1984) is an Irish jockey who, in 2012, came third in that year's Grand National on Seabass, giving her the highest finish for a female competitor.  Walsh is the daughter of amateur jump jockey, trainer and television pundit, Ted Walsh and the sister of top class jump jockey, Ruby Walsh.  To date she has ridden two winners at the Cheltenham festival.  She began her riding career in 2003.

Libya at the 2000 Summer Paralympics: Libya sent its largest ever delegation to the 2000 Summer Paralympics in Sydney, with three judokas, two powerlifters and a sitting volleyball team.  The country's only female competitor, Ghazala M. Ali in powerlifting, was the first ever woman to represent Libya at the Paralympic Games.

Supporting paragraphs: Jock Semple Kathrine Switzer
Answer: Amberg