Question:  The 1974 Super Outbreak was the second-largest tornado outbreak on record for a single 24-hour period, just behind an outbreak with how many tornadoes confirmed?
Sentence (from "1974 Super Outbreak"): The entire outbreak caused more than $600 million (1974 USD) in damage in the United States alone, and extensively damaged approximately 900 mi2 along a total combined path length of 2,600 mi .
Relevant evidence: No