Question: The Curse of Rocky Colavito is one of several sports superstitions centered on the failure to win a championship in any major league sport for how many years?
Sentence (from "Cleveland sports curse"): The Cleveland sports curse was a sports superstition involving the city of Cleveland, Ohio, and its major league professional sports teams, centered on the failure to win a championship in any major league sport for a period of 52 years, from 1964 to 2016.
Relevant evidence: Yes