Input: Read this: Simultaneously with these conflicts, bison, a keystone species and the primary protein source that Native people had survived on for centuries were being destroyed. Some estimates say there were over 13 million bison in Montana in 1870. In 1875, General Philip Sheridan pleaded to a joint session of Congress to authorize the slaughtering of herds in order to deprive the Indians of their source of food. By 1884, commercial hunting had brought bison to the verge of extinction; only about 325 bison remained in the entire United States.
Question: What year did General Sheridan approach Congress about killing bison?

Output: 1875

Input: Read this: In 2014, the airport received 15 new boarding bridges, totalling 28 in all. This was the main requirement made by the federal government, which transferred the operation of the terminal to the Inframerica Group after an auction. The group invested R$750 million in the project. In the same year, the number of parking spaces doubled, reaching three thousand. The airport's entrance have a new rooftop cover and a new access road. Furthermore, a VIP room was created on Terminal 1's third floor. The investments resulted an increase the capacity of Brasilia's airport from approximately 15 million passengers per year to 21 million by 2014. Brasilia has direct flights to all states of Brazil and direct international flights to Atlanta, Buenos Aires, Lisbon, Miami, Panama City, and Paris.
Question: Besides boarding bridges, what also doubled in 2014 at Brasilia's airport?

Output: the number of parking spaces

Input: Read this: Technological developments by videoconferencing developers in the 2010s have extended the capabilities of video conferencing systems beyond the boardroom for use with hand-held mobile devices that combine the use of video, audio and on-screen drawing capabilities broadcasting in real-time over secure networks, independent of location. Mobile collaboration systems now allow multiple people in previously unreachable locations, such as workers on an off-shore oil rig, the ability to view and discuss issues with colleagues thousands of miles away. Traditional videoconferencing system manufacturers have begun providing mobile applications as well, such as those that allow for live and still image streaming.
Question: What is an example of a place that videoconferencing can be used today?

Output: hand-held mobile devices

Input: Read this: Carnaval de Solsona takes place in Solsona, Lleida. It is one of the longest; free events in the streets, and nightly concerts run for more than a week. The Carnival is known for a legend that explains how a donkey was hung at the tower bell because the animal wanted to eat grass that grew on the top of the tower. To celebrate this legend, locals hang a stuffed donkey at the tower that "pisses" above the excited crowd using a water pump. This event is the most important and takes place on Saturday night. For this reason, the inhabitants are called "matarrucs" ("donkey killers").
Question: How does the donkey piss on the crowd below?

Output:
water pump