Detailed Instructions: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Problem:Question: How many people lived in Roseau the year that Patrick John was born? Passage:Colonel Patrick Roland John (born Roseau, 7 January 1938) was the Prime Minister of Dominica as well as the Premier of Dominica. During his premiership Dominica gained independence from the United Kingdom and he became the first Prime Minister of Dominica. He was leader of the Waterfront and Allied Workers' Union and mayor of Roseau before being elected to the legislature in 1970. He took on prime ministerial duties in 1974 following the resignation of Edward Oliver LeBlanc. After mass protest forced him to resign, John unsuccessfully attempted to overthrow the government of Prime Minister Eugenia Charles with the backing of white supremacist groups (in what became dubbed "Operation Red Dog"). As a result, he was jailed for twelve years, of which he served five years.

Solution:
a