Question: What is the name of the sport in which the purpose is to accumulate the highest score for a "game", consists of eight or ten ends, and whose Swedish team consisted of Major Delaval Graham L'Eastrange Astley?
Sentence (from "Delaval Astley"): Despite being on the reserve British team, he made no appearances for either team during the Olympics and therefore was not eligible for a medal.
Relevant evidence: No