Input: Article: Before the advent of the ASA system, the system of Weston film speed ratings was introduced by Edward Faraday Weston (18781971) and his father Dr. Edward Weston (18501936), a British-born electrical engineer, industrialist and founder of the US-based Weston Electrical Instrument Corporation, with the Weston model 617, one of the earliest photo-electric exposure meters, in August 1932. The meter and film rating system were invented by William Nelson Goodwin, Jr., who worked for them and later received a Howard N. Potts Medal for his contributions to engineering.

Now answer this question: What company did Dr. Edward Weston start?

Output: the US-based Weston Electrical Instrument Corporation

Input: Article: The Desert National Park in Jaisalmer is spread over an area of 3,162 square kilometres (1,221 sq mi), is an excellent example of the ecosystem of the Thar Desert and its diverse fauna. Seashells and massive fossilised tree trunks in this park record the geological history of the desert. The region is a haven for migratory and resident birds of the desert. One can see many eagles, harriers, falcons, buzzards, kestrels and vultures. Short-toed eagles (Circaetus gallicus), tawny eagles (Aquila rapax), spotted eagles (Aquila clanga), laggar falcons (Falco jugger) and kestrels are the commonest of these.

Now answer this question: What are the most common types of eagles one might see in the Jaisalmer region?

Output: Short-toed eagles (Circaetus gallicus), tawny eagles (Aquila rapax), spotted eagles (Aquila clanga)

Input: Article: In higher education, Politecnico refers to a technical university awarding degrees in engineering. Historically there were two Politecnici, one in each of the two largest industrial cities of the north:

Now answer this question: Traditionally, how many Politecnici were there?

Output:
two