Problem: Promoted Captain in October 1660 by the Frisian stadtholder William Frederick, Prince of Nassau-Dietz, Van Coehoorn first saw action in 1665 during the Second Anglo-Dutch War when he helped repulse an English-funded invasion by the Bishop of Munster. During the Franco-Dutch War of 1672-78, he was wounded at the unsuccessful defense of Maastricht in 1673, then fought at Grave and Seneffe in 1674. He was promoted Major by Henry Casimir II, Prince of Nassau-Dietz, took part in the battles of Cassel and Saint-Denis and ended the war as a Lieutenant-Colonel.
Answer this question based on the article: How many years did the Franco-Dutch War last?
A: 6

Problem: With a population of 10.0 million in 2012, Bolivia List of countries by population. Its population density is 9.13 inhabitants per square kilometer. The overall life expectancy in Bolivia is 65.4. The total fertility rate is 2.87 children per mother. Since 1950, the World Health Organizations (WHO) estimates the birth rate exceeded the death rate of the country. The population of Bolivia has been increasing since 1900, and has only had a negative per annum growth rate twice in its history (1835 and 1882). Bolivia is in the third stage of demographic transition. There were 562,461 immigrants in Bolivia in 2012, with the most (40.5%) coming from Argentina. In 2008, there were 48,809 marriages in Bolivia, and 5,887 divorces throughout the country in 2011.
Answer this question based on the article: According to the population density of Bolivia, how many inhabitants would there be within 3 square kilometers?
A: 27.39

Problem: In the Bulgarian census of 2011, a total of 48,945 people declared themselves to be Roman Catholics, up from 43,811 in the previous census of 2001 though down as compared to 53,074 in 1992. The vast majority of the Catholics in Bulgaria in 2001 were ethnic Bulgarians and the rest belonged to a number of other ethnic groups such as Croatians, Italians, Arabs and Germans. Bulgarian Catholics live predominantly in the regions of Svishtov and Plovdiv and are mostly descendants of the heretical Christian sect of the Paulicians, which converted to Roman Catholicism in the 16th and 17th centuries. The largest Roman Catholic Bulgarian town is Rakovski in Plovdiv Province. Ethnic Bulgarian Roman Catholics known as the Banat Bulgarians also inhabit the Central European region of the Banat. Their number is unofficially estimated at about 12,000, although Romanian censuses count only 6,500 Banat Bulgarians in the Romanian part of the region. Bulgarian Catholics are descendants of three groups. The first were converted Paulicians from the course of the Osam river and around Plovdiv are the second group, while the third one is formed by more recent Eastern Orthodox converts.
Answer this question based on the article: Which year had the least Roman Catholics, 2011, 2001 or 1992?
A:
2001