Question: What percentage of share of the chain supermarkets has in supermarket sector in the United Kingdom who's subsidiary is Argos?
Sentence (from "Argos (retailer)"): The company trades both through physical stores and online, with over 845 retail stores, 29 million yearly store customers, and nearly a billion online vistors per annum, makes it one of the largest high street retailers in the United Kingdom.
Relevant evidence: No