Question: John Fish unsuccessfully chaired an effort to have Boston host what forthcoming international event?
Sentence (from "2024 Summer Olympics"): The 2024 Summer Olympics (French: "Les Jeux olympiques d'été de 2024" ), officially known as the Games of the XXXIII Olympiad, and commonly known as Paris 2024, is a forthcoming international multi-sport event which will be hosted in Paris from 2 to 18 August 2024.
Relevant evidence: Yes