Question: What is the longest street of the suburb that borders Enfield at the Northern end?
Sentence (from "Nelson Mandela Boulevard (Jordan Street) Tehran"): Nelson Mandela Boulevard (Persian: بلوار نلسون ماندلا‎ ‎ ) (old name: Jordan Street and Africa Boulevard) still known as Jordan is an affluent and upper-class district in northern Tehran, where a lot of people consider Jordan District as being very similar to Kensington District in London, UK as the area is a residential and commercial locale and is filled with the homes and businesses of many politicians, diplomats, expatriates, and artists.
Relevant evidence: No