Question: Who served as both the Prime minister and Foreign minister in the 1980's to the sovereign country consisting of six major islands and over 900 smaller islands in Oceania?
Sentence (from "Ezekiel Alebua"): Ezekiel Alebua PC (born 1947) was the third Prime Minister of the Solomon Islands from 1 December 1986 until 28 March 1989.
Relevant evidence: Yes