[Q]: Sentence: By 1878, because of the growing popularity of the city, one railroad line could no longer keep up with demand. Question: By what year was demand so great that one railroad line could no longer keep up with the demand?
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[A]: yes

[Q]: Sentence: For air dielectric capacitors the breakdown field strength is of the order 2 to 5 MV/m; for mica the breakdown is 100 to 300 MV/m; for oil, 15 to 25 MV/m; it can be much less when other materials are used for the dielectric. Question: Of what order is the breakdown field strength for mica dielectric capacitors?
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[A]: yes

[Q]: Sentence: Most historical accounts state that the island was discovered on 21 May 1502 by the Galician navigator Joao da Nova sailing at the service of Portugal, and that he named it "Santa Helena" after Helena of Constantinople. Question: What navigator discovered the island?
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[A]:
yes