Question: Cornelis Gerrit "Kees" van der Staaij, is a Dutch politician of the Reformed Political Party, he has been an MP since 19 May 1998 and focuses on matters including Kingdom relations of which location, commonly known as the Netherlands, is a sovereign state and constitutional monarchy with the large majority of its territory in western Europe and several small islands in the Caribbean Sea, in the West Indies islands (Leeward Islands / Lesser Antilles)?
Sentence (from "Leader of the Reformed Political Party"): The Leader of the Reformed Political Party is the most senior politician within the Reformed Political Party (Dutch: "Staatkundig Gereformeerde Partij" , SGP) in the Netherlands.
Relevant evidence: No