[Answer] The last several years have been marked by a zombie craze in television and film, inspiring annual Halloween zombie-costume parades in many major cities. In 2011, which city broke the Guinness world record for the largest zombie gathering with 9,806 participants?

Step 1 : Introduction to the question " The last several years have been marked by a zombie craze in television and film, inspiring annual Halloween zombie-costume parades in many major cities. In 2011, which city broke the Guinness world record for the largest zombie gathering with 9,806 participants? "

...1. Asbury Park, NJ 2. Mexico City 3. San Francisco 4. Calgary