Question: When was the novel published which features Dumbledore's Army?
Sentence (from "Harry Potter and the Order of the Phoenix"): It follows Harry Potter's struggles through his fifth year at Hogwarts School of Witchcraft and Wizardry, including the surreptitious return of the antagonist Lord Voldemort, O.W.L. exams, and an obstructive Ministry of Magic.
Relevant evidence: No