Problem: According to the 2014 census, 2,720,377 answered to the question on "language usually used for communication". 2,138,964 people or 78.63% of the inhabitants of Moldova (proper) have Moldovan/Romanian as first language, of which 1,486,570 (53%) declared it Moldovan and 652,394 (23.3%) declared it Romanian. 394,133 people or 14.1% have Russian as language of daily use, 73.802 or 2.6% Ukrainian, 74.167 or 2.6% Gagauz, 26,577 or 0.9% Bulgarian, and 12,734 or 0.5% another language.

How many in percent from the 2014 census don't have Russian as language of daily use?
Answer: 85.9

Problem: The Raiders traveled to Baltimore looking to win their third straight road game to open the season for the first time since 2000. The Ravens, undefeated on the season, looked to continue their good start. The Raiders jumped out early, taking a lead on a six-yard touchdown pass to Seth Roberts from Derek Carr. A Baltimore field goal tightened the lead before Carr hit Michael Crabtree for his first of three touchdown scores on the day, and the Raiders took a 14-6 lead to the half as the Raiders defense held the Ravens in check. Baltimore answered in the third quarter, pulling within two on a Joe Flacco one-yard touchdown run. Crabtree again answered for the Raiders on a 13-yard pass from Carr. However, the Raiders defense allowed a 52-yard pass and catch from Flacco to Steve Smith Sr. and the Ravens pulled within two after failing to convert on the two-point conversion. The Raiders lead tightened to 21-19. The Ravens struck again following a fumble by Raiders rookie running back DeAndre Washington and Terrance West scored three-yard touchdown run to take the Ravens first lead of the game 27-21. The Raiders answered, driving down the field before Carr hit Crabtree from 23 yards out. The Raiders took the lead 28-27. As time was running out, the Ravens looked for the game-winning field goal, but the Raiders defense held and the Raiders moved to 3-1 for the first time since 2000. The three-touchdown game marked Crabtree's first career three-touchdown game. Carr finished with four touchdowns on 199 yards passing. The Raiders defense, much maligned on the season, gave up 412 yards, but stopped the Ravens when needed.

Which team was losing at halftime?
Answer: Ravens

Problem: Joanna la Beltraneja, born in 1462, the first and only daughter of King Henry IV of Castile, was of Asturias. A rumour spread that Princess Joanna was not actually the daughter of King Henry but rather of Beltran de la Cueva, the alleged lover of Queen Joan of Portugal. Joanna was thus nicknamed "la Beltraneja", as a mocking reference to her assumed father. Pressure from members of the nobility forced the King to strip her of the title and name his half-brother Alfonso as heir, in 1464. In 1465, a group of nobility assembled in Avila and overthrew King Henry, replacing him with Alfonso. That led to a war that ended in 1468 with the death of the 14-year-old Alfonso. Henry IV regained the throne, but the title of heir became disputed between Joanna, his daughter, and Isabella, his half-sister. That was resolved via the Treaty of the Bulls of Guisando, which gave Isabella succession rights but restricted her marriage options. Isabella secretly married Ferdinand in 1469 at the age of 17, ignoring Henry IV's wishes. Gradually, the couple gained a larger number of supporters and obtained a papal bull sanctioning their marriage from Pope Sixtus IV in 1472 and gained the support of the powerful Mendoza family in 1473. When Henry IV died in December 1474, both candidates for the throne were proclaimed Queen of Castile by their respective supporters. Aware of their position of weakness against Isabella's supporters, Joanna's supporters proposed for the 43-year-old King Afonso V of Portugal, a widower for some 20 years, to marry Joanna, his niece, and assume the throne of Castile with her.

How many years after Isabella marry Ferdinand did they obtain a papal bull sanctioning their marriage from Pope Sixtus IV?
Answer: 3

Problem: Taiwan was first populated by Austronesian people and was colonized by the Dutch, who had arrived in 1623. The Kingdom of Tungning, lasting from 1661 to 1683, was the first Han Chinese government to rule Taiwan. From 1683, the Qing Dynasty ruled Taiwan as a prefecture and in 1875 divided the island into two prefectures. In 1885 the island was made into a separate Chinese province to speed up development in this region. In the aftermath of the First Sino-Japanese War, Taiwan and Penghu were ceded by the Qing Dynasty to Japan in 1895. Japanese troops in Taiwan surrendered to the Republic of China at end of World War II, putting Taiwan under a Chinese government again after 50 years of Japanese rule. The ROC would then claim sovereignty on the basis of the Qing dynasty's administration, Cairo Declaration, Potsdam Declaration, and Japanese Instrument of Surrender, but this became contested by pro-independence groups in subsequent years due to different perceptions of the said documents' legality. Upon losing the Chinese civil war in 1949, the ROC government retreated to Taipei, and kept control over a few islands along the coast of mainland China and in the South China Sea. The People's Republic of China was established in mainland China on 1 October 1949, claiming to be the successor to the ROC. Quemoy, Matsu and Wuchiu on the coast of Fukien, Taiping and Pratas in the South China Sea, are part of the ROC's present territory, but were not ceded to Japan. Some arguments supporting the independence of Taiwan do not apply to these islands.

How many years elapsed between Japan's invasion, and the ROC's defeat in the Chinese civil war?
Answer:
54