Question: A list of potions used in the "Harry Potter" series, mentioned in potions class at Hogwarts, which is taught by Severus Snape in books one to five,  Severus Snape is a fictional character in which author's "Harry Potter" series?
Sentence (from "Severus Snape and the Marauders"): Severus Snape and the Marauders is a 2016 American short film written by director Justin Zagri, based on "Harry Potter" characters by J. K. Rowling.
Relevant evidence: No