Question: In 1203, Dominic joined Prior Diego de Acebo on an embassy to Denmark for the monarchy of Spain, to arrange the marriage between the son of King Alfonso VIII of Castile and a niece of King Valdemar II of Denmark. At that time the south of France was the stronghold of the Cathar or Albigensian heresy, named after the Duke of Albi, a Cathar sympathiser and opponent to the subsequent Albigensian Crusade (1209–1229). Dominic was fired by a reforming zeal after they encountered Albigensian Christians at Toulouse.
Is there an answer to this question: Who requested that Dominic travel to Denmark?

Answer: monarchy of Spain


Question: The oldest written records of the Finnic languages of Estonia date from the 13th century. Originates Livoniae in Chronicle of Henry of Livonia contains Estonian place names, words and fragments of sentences.
Is there an answer to this question: What was the last century fo Estonia's Finnic language? 

Answer: unanswerable


Question: Sven-Göran Eriksson took charge of the team between 2001 and 2006, and was the first non–English manager of England. Despite controversial press coverage of his personal life, Eriksson was consistently popular with the majority of fans.[citation needed] He guided England to the quarter-finals of the 2002 FIFA World Cup, UEFA Euro 2004, and the 2006 FIFA World Cup. He lost only five competitive matches during his tenure, and England rose to an No.4 world ranking under his guidance. His contract was extended by the Football Association by two years, to include UEFA Euro 2008. However, it was terminated by them at the 2006 FIFA World Cup's conclusion.
Is there an answer to this question: In what year was the Football Association established?

Answer: unanswerable


Question: The median household income in Boston was $51,739, while the median income for a family was $61,035. Full-time year-round male workers had a median income of $52,544 versus $46,540 for full-time year-round female workers. The per capita income for the city was $33,158. 21.4% of the population and 16.0% of families are below the poverty line. Of the total population, 28.8% of those under the age of 18 and 20.4% of those 65 and older were living below the poverty line.
Is there an answer to this question: What is the average family income in Boston?

Answer:
$61,035