Question: What is the name of the controversial event, in which the Toyota TF105 participated, where only 6 of the 20 entrants finished the race?
Sentence (from "Umar at Fatimah's house"): Umar at Fatimah's house refers to the controversial event where Umar came to the house of Fatimah, the daughter of the Islamic prophet Muhammad, in order to get the allegiance of Ali and his followers or burn her house down.
Relevant evidence: No