This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

After 1870, the new railroads across the Plains brought hunters who killed off almost all the bison for their hides. The railroads offered attractive packages of land and transportation to European farmers, who rushed to settle the land. They (and Americans as well) also took advantage of the homestead laws to obtain free farms. Land speculators and local boosters identified many potential towns, and those reached by the railroad had a chance, while the others became ghost towns. In Kansas, for example, nearly 5000 towns were mapped out, but by 1970 only 617 were actually operating. In the mid-20th century, closeness to an interstate exchange determined whether a town would flourish or struggle for business.
after about what year did railroads bring hunters to the great plains?

In the early 1950s, Universal set up its own distribution company in France, and in the late 1960s, the company also started a production company in Paris, Universal Productions France S.A., although sometimes credited by the name of the distribution company, Universal Pictures France. Except for the two first films it produced, Claude Chabrol's Le scandale (English title The Champagne Murders) and Romain Gary's Les oiseaux vont mourir au Pérou (English title Birds in Peru), it was only involved in French or other European co-productions, the most noticeable ones being Louis Malle's Lacombe, Lucien, Bertrand Blier's Les Valseuses (English title Going Places), and Fred Zinnemann's The Day of the Jackal. It was only involved in approximately 20 French film productions. In the early 1970s, the unit was incorporated into the French Cinema International Corporation arm.
What was the name of the Universal production company based in Paris?

The history of the area that now constitutes Himachal Pradesh dates back to the time when the Indus valley civilisation flourished between 2250 and 1750 BCE. Tribes such as the Koilis, Halis, Dagis, Dhaugris, Dasa, Khasas, Kinnars, and Kirats inhabited the region from the prehistoric era. During the Vedic period, several small republics known as "Janapada" existed which were later conquered by the Gupta Empire. After a brief period of supremacy by King Harshavardhana, the region was once again divided into several local powers headed by chieftains, including some Rajput principalities. These kingdoms enjoyed a large degree of independence and were invaded by Delhi Sultanate a number of times. Mahmud Ghaznavi conquered Kangra at the beginning of the 10th century. Timur and Sikander Lodi also marched through the lower hills of the state and captured a number of forts and fought many battles. Several hill states acknowledged Mughal suzerainty and paid regular tribute to the Mughals.

What tribes inhibited the area that now constitutes Himachal Pradesh?