What is the fine-grained topic of the following text: The drama about the real-life exploits of a black Colorado Springs police detective who infiltrated the Klu Klux Klan in the early 1970s is up for Best Adapted Screenplay among its six total Oscar noms including Best Picture and Lee’s first Best Director nom. Only return the topic.
Oscar nominations for a drama about a black detective infiltrating the Klu Klux Klan