Question: How many days did the longest of two riots (1967 Detroit Riot last than the Detroit Race Riot of 1943) last?
Sentence (from "1967 Detroit riot"): The 1967 Detroit riot, also known as the 12th Street riot or the 1967 Detroit rebellion, was one of 159 race riots that swept cities in the United States during the "Long Hot Summer of 1967".
Relevant evidence: No