[Q]: Sentence: After the war, population grew and doubled by the start of the 20th century, most notably due to the influx of immigrants from southern Europe, particularly Italy. Question: The Civil War had many effects after the war, what was the main effect for New Haven?
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[A]: yes

[Q]: Sentence: The Bern agglomeration, which includes 36 municipalities, had a population of 406,900 in 2014. Question: How many municiplaities are in Bern?
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[A]: yes

[Q]: Sentence: But as efficiency of electricity generation (and thus of electric traction) improved, by about 1965 electric railways became more efficient than diesel. Question: What year could be marked as year when electric railways more efficient than diesel ones?
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[A]:
yes