You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Christian

Context:
The earliest occurrences of the term in non-Christian literature include Josephus, referring to "the tribe of Christians, so named from him;" Pliny the Younger in correspondence with Trajan; and Tacitus, writing near the end of the 1st century. In the Annals he relates that "by vulgar appellation [they were] commonly called Christians" and identifies Christians as Nero's scapegoats for the Great Fire of Rome.

Question:
What is one of the first mentions of the term Christian in a non-religious work, referring to a tribe of Christians?

Josephus