Question:
Choose your answer: Is "In 1516, William IV, Duke of Bavaria, adopted the Reinheitsgebot (purity law), perhaps the oldest food-quality regulation still in use in the 21st century, according to which the only allowed ingredients of beer are water, hops and barley-malt." a good answer to the question "In what year did William IV adopt a purity law pertaining to beer?"
Answer:
yes

Question:
Choose your answer: Is "In addition, the city has about 160 museumsthe world's greatest single metropolitan concentration over 100 art galleries, and some 30 concert halls, all of which maintain a constant cultural activity during the whole year." a good answer to the question "How many art galleries are in Mexico City?"
Answer:
yes

Question:
Choose your answer: Is "The Queen commissioned a Tory, Sir Robert Peel, to form a new ministry." a good answer to the question "What did the Queen commission Sir Robert Peel to do?"
Answer:
yes