Question: Edward Caraballo was incarcerated in the detention facility that is the largest in Pakistan east of what city?
Sentence (from "Pul-e-Charkhi prison"): Pul-e-Charkhi (Persian: زندان پل چرخی), also known as Pul-i-Charkhi or Afghan National Detention Facility, is the largest prison in Afghanistan east of Kabul.
Relevant evidence: Yes