Suppose J.K. Rowling (born July 31, 1965) is a British author best known for writing the Harry Potter series, which has become one of the best-selling book series in history. In addition to writing novels, Rowling has also worked on screenplays and charitable projects. Her work has inspired a dedicated fan base and has been adapted into successful film and theatre productions.
Can we infer that 'J.K. Rowling has only written the Harry Potter series.'?