The problem: Answer a question about this article:
During his tour on the guided missile frigate USS Gridley, Kerry requested duty in South Vietnam, listing as his first preference a position as the commander of a Fast Patrol Craft (PCF), also known as a "Swift boat." These 50-foot (15 m) boats have aluminum hulls and have little or no armor, but are heavily armed and rely on speed. "I didn't really want to get involved in the war", Kerry said in a book of Vietnam reminiscences published in 1986. "When I signed up for the swift boats, they had very little to do with the war. They were engaged in coastal patrolling and that's what I thought I was going to be doing." However, his second choice of billet was on a river patrol boat, or "PBR", which at the time was serving a more dangerous duty on the rivers of Vietnam.
How long were swift boats?
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The answer: 50-foot

The problem: Answer a question about this article:
Chain department stores grew rapidly after 1920, and provided competition for the downtown upscale department stores, as well as local department stores in small cities. J. C. Penney had four stores in 1908, 312 in 1920, and 1452 in 1930. Sears, Roebuck & Company, a giant mail-order house, opened its first eight retail stores in 1925, and operated 338 by 1930, and 595 by 1940. The chains reached a middle-class audience, that was more interested in value than in upscale fashions. Sears was a pioneer in creating department stores that catered to men as well as women, especially with lines of hardware and building materials. It deemphasized the latest fashions in favor of practicality and durability, and allowed customers to select goods without the aid of a clerk. Its stores were oriented to motorists set apart from existing business districts amid residential areas occupied by their target audience; had ample, free, off-street parking; and communicated a clear corporate identity. In the 1930s, the company designed fully air-conditioned, "windowless" stores whose layout was driven wholly by merchandising concerns.
How many stores was J. C. Penny operating in 1930?
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The answer: 1452

The problem: Answer a question about this article:
Although some cardinals seem to have viewed him as papabile, a likely candidate to become pope, and may have received some votes in the 1958 conclave, Montini was not yet a cardinal, which made him an unlikely choice.[c] Angelo Roncalli was elected pope on 28 October 1958 and assumed the name John XXIII. On 17 November 1958, L'Osservatore Romano announced a consistory for the creation of new cardinals. Montini's name led the list. When the pope raised Montini to the cardinalate on 15 December 1958, he became Cardinal-Priest of Ss. Silvestro e Martino ai Monti. He appointed him simultaneously to several Vatican congregations which resulted in many visits by Montini to Rome in the coming years.
What role was Montini not considered a likely candidate for?
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The answer: pope

The problem: Answer a question about this article:
Between the German invasion of Poland on 1 September 1939 and the Anglo-French declaration of War against the German Reich on 3 September 1939, the entire city (a total of 120,000 people) was evacuated, like other border towns as well. Until the arrival of the Wehrmacht troops mid-June 1940, the city was, for ten months, completely empty, with the exception of the garrisoned soldiers. The Jews of Strasbourg had been evacuated to Perigueux and Limoges, the University had been evacuated to Clermont-Ferrand.
How long was the city completely empty?
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The answer:
ten months