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:
Catalan_language

Context:
In English, the term referring to a person first appears in the mid 14th century as Catelaner, followed in the 15th century as Catellain (from French). It is attested a language name since at least 1652. Catalan can be pronounced as /ˈkætəlæn/, /kætəˈlæn/ or /ˈkætələn/.

Question:
What is a Catalan person called in the 15th century?

Catellain