Problem: Chihuahua (state):

A handful of families owned large estates (known as haciendas) and controlled the greater part of the land across the state while the vast majority of Chihuahuans were landless. The state economy was largely defined by ranching and mining. At the expense of the working class, the Diaz administration promoted economic growth by encouraging investment from foreign companies from the United Kingdom, France, Imperial Germany and the United States. The proletariat was often exploited, and found no legal protection or political recourse to redress injustices.

This group was often exploited and had no legal protection or recourse.
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A: proletariat

Problem: Other professional sports clubs in Oklahoma City include the Oklahoma City Dodgers, the Triple-A affiliate of the Los Angeles Dodgers, the Oklahoma City Energy FC of the United Soccer League, and the Crusaders of Oklahoma Rugby Football Club USA Rugby.
What team is the affiliate to the Los Angeles Dodgers?
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Answer: Oklahoma City Dodgers

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Ruben Studdard emerged as the winner, beating Clay Aiken by a small margin. Out of a total of 24 million votes, Studdard finished just 134,000 votes ahead of Aiken. This slim margin of victory was controversial due to the large number of calls that failed to get through. In an interview prior to season five, executive producer Nigel Lythgoe indicated that Aiken had led the fan voting from the wildcard week onward until the finale.
How many votes did Ruben Studdard win by?
A: 134,000

Context and question: In 2007, the Institute for Policy Innovation (IPI) reported that music piracy took $12.5 billion from the U.S. economy. According to the study, musicians and those involved in the recording industry are not the only ones who experience losses attributed to music piracy. Retailers have lost over a billion dollars, while piracy has resulted in 46,000 fewer production-level jobs and almost 25,000 retail jobs. The U.S. government was also reported to suffer from music piracy, losing $422 million in tax revenue.
How much money have retailers lost?
Answer: over a billion dollars

Question: Despite delays in some countries, the number of European HD channels and viewers has risen steadily since the first HDTV broadcasts, with SES's annual Satellite Monitor market survey for 2010 reporting more than 200 commercial channels broadcasting in HD from Astra satellites, 185 million HD capable TVs sold in Europe (60 million in 2010 alone), and 20 million households (27% of all European digital satellite TV homes) watching HD satellite broadcasts (16 million via Astra satellites).
Is there an answer to this question: According to the 2010 Satellite Monitor market survey, how many SD capable TV's were sold in Europe?

Answer: unanswerable

Question: Other notable new vaccines of the period include those for measles (1962, John Franklin Enders of Children's Medical Center Boston, later refined by Maurice Hilleman at Merck), Rubella (1969, Hilleman, Merck) and mumps (1967, Hilleman, Merck) The United States incidences of rubella, congenital rubella syndrome, measles, and mumps all fell by >95% in the immediate aftermath of widespread vaccination. The first 20 years of licensed measles vaccination in the U.S. prevented an estimated 52 million cases of the disease, 17,400 cases of mental retardation, and 5,200 deaths.
Is there an answer to this question: How much did the occurrence of serious diseases shortly after the release of rubella?

Answer:
unanswerable