Statistics for Biggest cities in OPEC

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Country	Population	City	% Correct
U.A.E.	2.9 mil	Dubai	100%
Saudi Arabia	7.3 mil	Riyadh	100%
Iran	9.2 mil	Tehran	100%
Venezuela	2.9 mil	Caracas	96%
Kuwait	3.1 mil	Kuwait City	96%
Nigeria	14.8 mil	Lagos	92%
Algeria	2.8 mil	Algiers	88%
Congo Rep.	2.4 mil	Brazzaville	84%
Angola	8.6 mil	Luanda	84%
Saudi Arabia	2 mil	Mecca	84%
Saudi Arabia	4.6 mil	Jeddah	80%
Nigeria	3.4 mil	Abuja	76%
Nigeria	4.1 mil	Kano	60%
Iran	3.2 mil	Mashhad	56%
Nigeria	3.1 mil	Port Harcourt	52%
Nigeria	3.6 mil	Ibadan	48%
Venezuela	2.2 mil	Maracaibo	48%
Nigeria	1.7 mil	Benin City	36%
Venezuela	1.9 mil	Valencia	36%
Iran	2.1 mil	Esfahan	20%