Question: The 3rd book by Dan Brown that features character Robert Langdon is set in what city?
Sentence (from "Robert Langdon"): Professor Robert Langdon is a fictional character created by author Dan Brown for his "Robert Langdon" book series: "Angels & Demons" (2000), "The Da Vinci Code" (2003), "The Lost Symbol" (2009), and "Inferno" (2013).
Relevant evidence: Yes