Question: Ethnically and linguistically the population of the Republic of the Congo is diverseEthnologue recognises 62 spoken languages in the countrybut can be grouped into three categories. The Kongo are the largest ethnic group and form roughly half of the population. The most significant subgroups of the Kongo are Laari in Brazzaville and Pool regions and Vili around Pointe-Noire and along the Atlantic coast. The second largest group are the Teke who live to the north of Brazzaville with 17% of the population. Boulangui (M'Boshi) live in the northwest and in Brazzaville and form 12% of the population. Pygmies make up 2% of Congo's population.
Is there an answer to this question: What percentage of the population of the Congo is Boulangui?

Answer: 12%

Question: Plymouth Council is currently undertaking a project of urban redevelopment called the "Vision for Plymouth" launched by the architect David Mackay and backed by both Plymouth City Council and the Plymouth Chamber of Commerce (PCC). Its projects range from shopping centres, a cruise terminal, a boulevard and to increase the population to 300,000 and build 33,000 dwellings.
Is there an answer to this question: Along with Plymouth Council, what body supports the "Vision for Plymouth"?

Answer: the Plymouth Chamber of Commerce

Question: Ford Motor Company and Coca-Cola were two of the first sponsors of American Idol in its first season. The sponsorship deal cost around $10 million in season one, rising to $35 million by season 7, and between $50 to $60 million in season 10. The third major sponsor AT&T Wireless joined in the second season but ended after season 12, and Coca-Cola officially ended its sponsorship after season 13 amidst the declining ratings of Idol in the mid-2010s. iTunes sponsored the show since season seven.
Is there an answer to this question: Who was the third largest sponsor?

Answer: AT&T

Question: The Seven Years' War was fought between 1755 and 1764, the main conflict occurring in the seven-year period from 1756 to 1763. It involved every great power of the time except the Ottoman Empire, and affected Europe, the Americas, West Africa, India, and the Philippines. Considered a prelude to the two world wars and the greatest European war since the Thirty Years War of the 17th century, it once again split Europe into two coalitions, led by Great Britain on one side and France on the other. For the first time, aiming to curtail Britain and Prussia's ever-growing might, France formed a grand coalition of its own, which ended with failure as Britain rose as the world's predominant power, altering the European balance of power.
Is there an answer to this question: What major power of the time was not involved in The Seven Years' War?

Answer:
It involved every great power of the time except the Ottoman Empire