Question: New Cathedral Street has the largest store that is located outside London that is a part of what stock index?
Sentence (from "New Cathedral Street"): The street is home to the Manchester branch of Marks and Spencer and Selfridges (east side), and Harvey Nichols, the largest Ted Baker and Hugo Boss stores outside London, Lacoste, Louis Vuitton, Reiss, Henri Lloyd, Massimo, Zara and Burberry (west side).
Relevant evidence: Yes