Question: What is the name of the site on the largest of the Dodecanese islands in terms of land area and also the island group's historical capital, which has an area of 178.900 km?
Sentence (from "Pearson Isles"): Pearson Isles (also called the Pearson Islands, Pearson Group and Pearson Archipelago) is an island group located in the Australian state of South Australia about 65 km to 72 km west south-west of Cape Finniss on the west coast of Eyre Peninsula within the larger island group, the Investigator Group.
Relevant evidence: No