instruction:
In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.
question:
Question: Who commanded the 13th Hussars when Anstruther-Gray joined as a second lieutenant? Passage:He joined the Militia's Fife Artillery as a Sub-Lieutenant (Supernumerary) on 16 December 1876. He served for four years until he joined the 13th Hussars as a second lieutenant in 1880, served in India and Afghanistan in 1880-1881 and was promoted to lieutenant on 1 July 1881, before transferring to the Royal Horse Guards in 1885. He was Aide-de-Camp to the Earl of Kintore, Governor of South Australia, from 1889-1891, was promoted to captain on 30 December 1893, and to major on 1 May 1897. He served in South Africa from 1901-1902 where he was commandant of the district of Knysna in 1901, and Inspector of Concentration Camps in Transvaal in 1902. Following the end of the war in June 1902, he returned to the United Kingdom in the SS Dunottar Castle, which arrived at Southampton in July 1902. He later commanded 3rd Line Group, Scottish Horse during World War I.

answer:
He served for four years until he joined the 13th Hussars as a second lieutenant in 1880, served in India and Afghanistan in 1880-1881 and was promoted to lieutenant on 1 July 1881, before transferring to the Royal Horse Guards in 1885

question:
Question: Which is the oldest city that borders Garden Grove? Passage:West Grove, officially recognized as the West Grove Business District by the City of Garden Grove, and sometimes called West Garden Grove, is a neighborhood in the city of Garden Grove, located in Orange County, California, United States. West Grove encompasses the pene-exclave western portion of the city of Garden Grove. It is bordered to the north by Cypress, to the west by Los Alamitos and Seal Beach, to the south by Westminster, and to the east by Stanton, and connected to the rest of Garden Grove by a narrow strip along Garden Grove Boulevard. It includes the entire 92845 ZIP Code, which is designated as the areas west of Knott Avenue to the Seal Beach and Los Alamitos city borders, and the industrial area east of Knott Avenue to the Stanton border. The community is more "affluent" than the rest of Garden Grove, with a median income $25,000 greater than the main body of the city. There is also less crime, a lower poverty rate, and the population density is lower compared to the rest of Garden Grove. As of the 2010 Census, 16,333 people reside in West Grove.

answer:
It is bordered to the north by Cypress, to the west by Los Alamitos and Seal Beach, to the south by Westminster, and to the east by Stanton, and connected to the rest of Garden Grove by a narrow strip along Garden Grove Boulevard

question:
Question: In what state did Stewart begin his singing career? Passage:John Harger Stewart (born March 31, 1940, Cleveland) is an American tenor, conductor, and voice teacher who had an active international singing career in concerts and operas from 1964 to 1990. He began his career singing regularly with the Santa Fe Opera from the mid-1960s through the early 1970s; after which he appeared only periodically in Santa Fe up through the mid-1980s. He was particularly active with the New York City Opera during the 1970s and 1980s, and with the Frankfurt Opera from the mid-1970s through 1990. He also appeared as a guest artist with several other important American opera companies, including the Metropolitan Opera and the Washington National Opera, and at other European opera houses like the De Nederlandse Opera in Amsterdam, the Deutsche Oper Berlin, the Grand Theatre de Geneve in Switzerland, and the Wexford Festival Opera in Ireland. Now retired from singing, he is currently the Director of Vocal Activities at Washington University in St. Louis where he also teaches singing and conducts student opera productions and choirs. He also serves as the opera conductor at the Johanna Meier Opera Theater Institute at Black Hills State University.

answer:
He began his career singing regularly with the Santa Fe Opera from the mid-1960s through the early 1970s; after which he appeared only periodically in Santa Fe up through the mid-1980s