Teacher:Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Teacher: Now, understand the problem? Solve this instance: Sentence: At a searing 1 . 56 million Scoville heat units ( SHUs ) , the Reaper knocked off the Trinidad Scorpion Butch T from Australia , the previous record holder at 1 . 46 million SHUs .<sep>Span: Reaper knocked off the Trinidad Scorpion Butch
Student:
What year or just in general, when did this happen?