question:
Since the 19th century, the built-up area of Paris has grown far beyond its administrative borders; together with its suburbs, the whole agglomeration has a population of 10,550,350 (Jan. 2012 census).
What is the aggregate population of Paris?

answer: yes

question:
A remnant of this improvisatory tradition in classical music can be heard in the cadenza, a passage found mostly in concertos and solo works, designed to allow skilled performers to exhibit their virtuoso skills on the instrument.
What type of performances of Baroque ear Operas require improvisation?

answer: no

question:
The teaching of Catalan is mandatory in all schools, but it is possible to use Spanish for studying in the public education system of Catalonia in two situations, if the teacher assigned to a class chooses to use Spanish, or during the learning process of one or some recently arrived students.
Where is the teaching of Catalan mandatory?

answer: yes

question:
Nigeria is divided roughly in half between Christians, who live mostly in the southern part of the country, and Muslims in the northern part.
How many people live in Nigeria?

answer:
no