Question:  Cartoceto is a "comune" located about 50 km northwest of a city that had how many inhabitants as of 2015 ?
Sentence (from "Ancona"): Ancona (] ; Greek: Ἀγκών – "Ankon" (elbow)) is a city and a seaport in the Marche region in central Italy, with a population of around 101,997 as of 2015 .
Relevant evidence: Yes