Answer: 10 to 12 months. Now, what could be the question and solution-maybe?
Ques: Females typically give birth once every two to three years at the start of the winter after a gestation period of 10 to 12 months. The calf weighs about 2.5 tonnes (2.8 short tons) and is around 7 metres (23 ft) in length. Blue whale calves drink 380 -- 570 litres (100 -- 150 U.S. gallons) of milk a day. Blue whale milk has an energy content of about 18,300 kJ / kg (4,370 kcal / kg). The calf is weaned after six months, by which time it has doubled in length. The first video of a calf thought to be nursing was made 5 February 2016.

Answer this question: how long does it take for a blue whale to give birth?
CoT: The important part for answering this question is: Females typically give birth once every two to three years at the start of the winter after a gestation period of 10 to 12 months.
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Answer: seven. Now, what could be the question and solution-maybe?
Ques: The Super Kings have lifted the IPL title thrice (in 2010, 2011 and 2018), and have the best win percentage among all teams in the IPL (61.56). They hold the records of most appearances in the IPL playoffs (nine) and in the final (seven). In addition, they have also won the Champions League Twenty20 in 2010 and 2014. The brand value of the Super Kings in 2018 was estimated at $65 million, making them the most valuable franchise in the IPL.

Answer this question based on the passage: how many times csk reached final in ipl?
CoT: To answer the above question, the relevant sentence is: They hold the records of most appearances in the IPL playoffs (nine) and in the final (seven).
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Answer: Patrick Walshe. Now, what could be the question and solution-maybe?
Ques: Patrick Walshe (July 26, 1900 -- December 11, 1991) was an American dwarf character actor and circus performer who specialized portraying animals (animal impersonating). He is best known for playing Nikko, the head of the Winged Monkeys in The Wizard of Oz. He appeared in only a few films, as most of his work was in theater, vaudeville and circus.

Answer this question: who played flying monkeys in wizard of oz?
CoT: The relevant information is: He is best known for playing Nikko, the head of the Winged Monkeys in The Wizard of Oz.
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Answer: 1849. Now, what could be the question and solution-maybe?
Ques: The gold dollar was produced from 1849 to 1889. 1849 to 1853 gold dollar coins were 13 mm across and are called Type I. Type II gold dollars were thinner but larger at 15 mm diameter and were produced from 1854 to 1855. The most common gold dollar are the Type III and started in 1856 until 1889. Production US $1 gold dollars was high until the Civil War and by 1863, only the larger value gold coins were produced in large quantities. Most gold coins produced from 1863 and onward were produced for imports to pay for enormous amounts of war material and interest on some U.S. Government bonds. Many of these coins from the Civil War and after (silver coins included) are in excellent condition since they saw very limited circulation with greenbacks and postage currency taking their place.

Answer this question: when was the first gold dollar coin made?
CoT: The important part for answering this question is: The gold dollar was produced from 1849 to 1889.
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