Question: Natasha O'Keeffe is known for her role of Emelia Ricoletti in "Sherlock", the crime drama tv series based on which author's detective stories?
Sentence (from "Sherlock (TV series)"): Thirteen episodes have been produced, with three-part series airing from 2010–2017, and a special episode that aired on 1 January 2016.
Relevant evidence: No