You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: FAMOUS MOMS 
Clue: In 1872 Julia Ward Howe, mother of 6, suggested Mother's Day but wanted it in this month, which sounds a bit late
june

Category: SABRINA'S WITCH HANDBOOK 
Clue: (Hi, I'm Melissa Joan Hart)  The traditional number of witches in this group is 13; a leader & 12 followers
coven

Category: CHRONICLES 
Clue: Livy's "Ab Urbe Condita", or "History From the Founding of the City", is about this city

rome