Solomon Islands is a sovereign country consisting of six major islands and over 900 smaller islands in Oceania lying to the east of Papua New Guinea and northwest of Vanuatu and covering a land area of 28400 km2 .
 The country's capital, Honiara, is located on the island of Guadalcanal.
 The country takes its name from the Solomon Islands archipelago, which is a collection of Melanesian islands that also includes the North Solomon Islands (part of Papua New Guinea), but excludes outlying islands, such as Rennell and Bellona, and the Santa Cruz Islands.
The Ionian Islands (Modern Greek: Ιόνια νησιά, "Ionia nisia" ; Ancient Greek, Katharevousa: Ἰόνιοι Νῆσοι, "Ionioi Nēsoi" ; Italian: "Isole Ionie" ) are a group of islands in Greece.
 They are traditionally called the Heptanese, i.e. "the Seven Islands" (Greek: Ἑπτάνησα, "Heptanēsa" or Ἑπτάνησος, "Heptanēsos" ; Italian: "Eptaneso" ), but the group includes many smaller islands as well as the seven principal ones.
 As a distinct historic region they date to the centuries-long Venetian rule, which preserved them from becoming part of the Ottoman Empire, and created a distinct cultural identity with many Italian influences.
 The Ionian Islands became part of the modern Greek state in 1864.
 Administratively today they belong to the Ionian Islands Region except for Kythera, which belongs to the Attica Region.
The Caracol people are an ethnic people of mainly European/English-African-Caribbean descent, who have been concentrated in Northern Honduras (specifically, the Bay Islands) since the early 19th century.
 They speak an English-based creole.
 "Caracol" is a Spanish term that literally translates as conch, or snail shell; it associates the people of the Bay Islands to their environment and seafaring culture.
 In its current usage, the term Caracol refers to all people born in the Bay Islands region and their descendants.
 The region of the Bay Islands encompasses the three major islands of Roatán, Útila, Guanaja, and the smaller islands or keys.
The Babuyan Islands ( ), also known as the Babuyan Group of Islands, is an archipelago in the Philippines, located in the Luzon Strait north of the main island of Luzon.
 The archipelago consists of four major islands and their surrounding smaller islands.
 These main islands are, counterclockwise starting from northeast, Babuyan, Calayan, Dalupiri, Fuga, and Camiguin.
 The Babuyan Islands are separated from Luzon by the Babuyan Channel, and from the province of Batanes to the north by the Balintang Channel.
The lemon-bellied white-eye ("Zosterops chloris") is a species of bird in the family Zosteropidae.
 It is endemic to Indonesia, where it occurs on a number of islands from the Sunda Strait to the Aru Islands.
 It is present on several of the Lesser Sunda Islands as well as on parts of Sulawesi, as well as many smaller islands, but is absent from the larger islands of Borneo, Java, Sumatra and Timor.
 Currently (May 2017), HBW describes five sub-species of lemon-bellied white-eye.
 However, the extensive distribution of "Z. c. intermedius" (including S. Sulawesi, SE.
 Sulawesi, C. Lesser Sundas and small islands in between) is likely to contain more than one reproductively isolated population (cf. "Z.c. intermedius" and "Z. c. flavissimus").
Antigua and Barbuda ( ; ) is a sovereign state in the Americas, lying between the Caribbean Sea and the Atlantic Ocean.
 It consists of two major islands, Antigua and Barbuda, and a number of smaller islands (including Great Bird, Green, Guiana, Long, Maiden and York Islands and further south, the island of Redonda).
 The permanent population numbers about 81,800 (at the 2011 Census) and the capital and largest port and city is St. John's, on Antigua.
New Zealand (Aotearoa) is an island country located in the south-western Pacific Ocean, near the centre of the water hemisphere.
 The country encompasses two major islands—the North Island (or "Te Ika-a-Māui") and the South Island (or "Te Waipounamu")—that are separated by the Cook Strait; a third, less substantial island, Stewart Island (or "Rakiura"), is located 30 km off the tip of the South Island across Foveaux Strait.
 Other smaller islands include Waiheke Island, Chatham Island, Great Barrier Island and more, although many are uninhabited.
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) and colloquially Great Britain (GB) or simply Britain, is a sovereign country in western Europe.
 Lying off the north-western coast of the European mainland, the United Kingdom includes the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands.
 Northern Ireland is the only part of the United Kingdom that shares a land border with another sovereign statethe Republic of Ireland.
 Apart from this land border, the United Kingdom is surrounded by the Atlantic Ocean, with the North Sea to its east, the English Channel to its south and the Celtic Sea to its south-south-west, giving it the 12th-longest coastline in the world.
 The Irish Sea lies between Great Britain and Ireland.
 With an area of 242500 km2 , the United Kingdom is the 78th-largest sovereign state in the world and the 11th-largest in Europe.
 It is also the 21st-most populous country, with an estimated 65.1 million inhabitants.
 Together, this makes it the fourth-most densely populated country in the European Union (EU).
Australia ( , , ), officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
 It is the largest country in Oceania and the world's sixth-largest country by total area.
 The neighbouring countries are Papua New Guinea, Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east.
 Australia's capital is Canberra, and its largest urban area is Sydney.
Psilogramma wernerbacki is a moth of the family Sphingidae.
 It is known from the Solomon Islands.

Question: Psilogramma wernerbacki is known from this sovereign country consisting of six major islands and over how many smaller islands 
Answer: 900