In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Oxford ( ) is a city in the South East region of England and the county town of Oxfordshire. With an estimated 2015 population of 168,270, it is the 52nd largest city in the United Kingdom, and one of the fastest growing and most ethnically diverse. The city is situated 57 mi from London, 69 mi from Bristol, 65 mi from both Southampton and Birmingham and 25 mi from Reading. Question: What distinctive surface is the historic Merton Street, that runs parallel to High Street in the southeastern university city of Oxford, England? Answer: cobbled
Oxford is a city in the South East region of England and the county town of Oxfordshire.