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.

[EX Q]: Question: What was the population of Hertford in 1835? Passage:In 1835, Cowper was elected Liberal Member of Parliament for Hertford, a seat he held for the next thirty-three years, and became private secretary to his uncle Prime Minister Lord Melbourne. He was appointed a Groom in Waiting in 1837, and in 1841 served for three months as a Lord of the Treasury under Melbourne, only resuming office five years later as a Lord of the Admiralty when the Whigs returned to power under Lord John Russell. He again held this post under Lord Aberdeen from 1852 to 1855, and in the latter year was made Under-Secretary of State for the Home Department by his stepfather Lord Palmerston when he became Prime Minister. In August that same year he was appointed President of the Board of Health, and sworn of the Privy Council. Four years later he became Vice-President of the Board of Trade and Paymaster General, only serving for a year before Palmerston appointed him First Commissioner of Works.

[EX A]: In 1835, Cowper was elected Liberal Member of Parliament for Hertford, a seat he held for the next thirty-three years, and became private secretary to his uncle Prime Minister Lord Melbourne

[EX Q]: Question: During what years did Welch serve as the secretary of the American Society of Miniature Painters? Passage:Born in New Haven, Connecticut, Welch was the daughter of Philip Henry and Margaret Welles (Hamilton) Welch. She studied under Kenyon Cox and Robert Reid at the Art Students League of New York. She moved to Paris for further study, showing her work at the Paris Salon. She returned to the United States and was active in New York City for some while. Welch died in Wilbraham, Massachusetts, and is buried there in the Woodland Dell Cemetery. During her career she served as the secretary of the American Society of Miniature Painters, from whom she was once the recipient of the Levantia White Boardman Memorial Medal; she was also a member of the Pennsylvania Society of Miniature Painters, the Woman's Art Club, and the Art Workers' Club. Among her other awards were a silver medal from the PanamaPacific International Exposition in 1915; the Medal of Honor of the Pennsylvania Society of Miniature Painters in 1920; a medal from the Brooklyn Society of Miniature Painters in 1933; and awards from the National Association of Women Painters and Sculptors (the Lindsey Morris Sterling Prize for Miniatures) and the California Society of Miniature Painters in 1937. A portrait by Welch of Rosina Cox Boardman, in watercolor on ivory and dating to around 1940, is currently owned by the Smithsonian American Art Museum. The Metropolitan Museum of Art owns two miniature portraits in the same medium, a Portrait of a Lady from the first half of the 1910s and a portrait of Mrs. S. Keith Evans from around 1911.

[EX A]: During her career she served as the secretary of the American Society of Miniature Painters, from whom she was once the recipient of the Levantia White Boardman Memorial Medal; she was also a member of the Pennsylvania Society of Miniature Painters, the Woman's Art Club, and the Art Workers' Club

[EX Q]: Question: How many television shows did the person who hosted the talk show Open End appear on? Passage:On October 6, 1957, Bremer Broadcasting announced it had sold its stations for $3.5 million to National Telefilm Associates (NTA), an early distributor of motion pictures for television, joining its NTA Film Network. On May 7, 1958, channel 13's call sign was changed to WNTA-TV to reflect the new ownership; the radio stations also adopted these call letters. NTA's cash resources enabled WNTA-TV to produce a schedule of programming with greater emphasis on the people and events of New Jersey, compared to the other commercial television stations. NTA also sought to make channel 13 the center of a new commercial network, though during its run the NTA Film Network offered only one night of "in-pattern" network programming, Friday nights in 195758, and for most purposes WNTA served as the New York showcase for nationally syndicated programming and produced several such entries, notably the anthology drama series Play of the Week; the talk show Open End, hosted by David Susskind; children's show The Magic Clown; and a popular dance program emceed by Clay Cole. The station continued to lag behind New York's other independent stationsWNEW-TV (channel 5), WOR-TV (channel 9) and WPIX (channel 11)in terms of audience size, and NTA incurred a large debt load. National Telefilm Associates put the WNTA stations up for sale in February 1961.

[EX A]:
NTA also sought to make channel 13 the center of a new commercial network, though during its run the NTA Film Network offered only one night of "in-pattern" network programming, Friday nights in 195758, and for most purposes WNTA served as the New York showcase for nationally syndicated programming and produced several such entries, notably the anthology drama series Play of the Week; the talk show Open End, hosted by David Susskind; children's show The Magic Clown; and a popular dance program emceed by Clay Cole