Question: The Artists and Writers Ball was founded in the late 1970s as an alternative to which festival which is held every year in Tampa and hosted by Ye Mystic Krewe of Gasparilla?
Sentence (from "Gasparilla Pirate Festival"): As of the 100th edition in 2015, the parade was the 3rd largest in the United States and had an economic impact of $23 million on Tampa's economy.
Relevant evidence: No