Question: Pedro Mascarenhas was the first to explore the island atoll that comprises what landform?
Sentence (from "Diogo Rodrigues"): D. Diogo Rodrigues, D. Diogo Roiz ( 1490-1496; Lagos, Portugal – 21 April 1577; Colvá, Gôa) was a Portuguese explorer of the Indian Ocean who sailed as an ordinary helmsman under the command of D. Pedro Mascarenhas around Goa.
Relevant evidence: No