Readers: Think you know your Baltimore? Try answering our weekly trivia question. Some weeks will be ridiculously easy, some weeks a bit more challenging. Here’s last week’s trivia:QUESTION: In 1948, Mary Sue chocolates was founded in the basement of a Southwest Baltimore rowhouse, by partners Sacha Spector and Harry Gerwig. Where did the name “Mary Sue” come from?ANSWER: The Gerwigs (who had no children) combined the names of two daughters of family friend Robert Ashton. The girls were Mary and Susanne.