Question: Do many fans of J.K Rowling know who Alan Rickman is?, Answer:Yes, Description of Alan Rickman: British actor, Fact1: J.K Rowling wrote the Harry Potter series., Fact2: Alan Rickman performed the role of Severus Snape throughout all 8 Harry Potter films.
Step1: What is JK Rowling most famous for?, Step2: What characters has actor Alan Rickman played?, Step3: What characters appear in #1?, Step4: Is at least one character from #2 also listed in #3?, Wikipedia page for step 1: JK Rowling, Wikipedia page for step 2: Alan Rickman, Wikipedia page for step 3: Harry Potter, Wikipedia page for step 4: , not_definitive_answer: False, incorrect_answer: False