Question: What political system exists in the country ruled by Queen Elizabeth II and in the birthplace of Antao Martins Homen?
Answer(s):
answer: Monarchy

SPARQL query:
#MANUAL SPARQL
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
  ns:m.0d1_f ns:government.politician.government_positions_held ?y1 .	# Queen Elizabeth II
  ?y1 ns:government.government_position_held.jurisdiction_of_office ?y2 .  # ?y2 = country
  ?y2 ns:location.country.form_of_government ?x .?x ns:government.form_of_government.countries ?c .
?c ns:location.location.people_born_here ns:g.122wbmv4 . 
}