Question: What is port of registry forTallinn ?
SPARQL (Wikidata): select distinct ?answer where { ?answer wdt:P532 wd:Q1770}
Answer: Baltic Queen, MS Star, MS Silja Europa, MS Viking XPRS, Finnsailor, PVL-101 Kindral Kurvits, EVA-316, MS Megastar, Mars, Viimsi, Nafta, Skorpion, Kuri (crane ship), Viiking, Category:IMO 9364722, Protector