Task: Explanation
Input (English): Ankara (  ;  ] ), formerly known as Ancyra (Greek: Ἄγκυρα ) and Angora, is the capital of the Republic of Turkey. With a population of 4,587,558 in the urban center and 5,150,072 in its province , it is Turkey's second largest city after former imperial capital Istanbul, having overtaken İzmir. The former Metropolitan archbishopric remains a triple titular see (Latin, Armenian Catholic and Orthodox). Question: The city where Turkish Statistical Institute has its headquarters in has a population of what in the urban center? Answer: 4,587,558
Output (English):  With a population of 4,587,558 in the urban center and 5,150,072 in its province , it is Turkeys second largest city after former imperial capital Istanbul, having overtaken İzmir.