Question: Which {key incident} of {item operator} of {Memorial to the Engine Room Heroes of the Titanic} ?
Paraphrase: Which {key incident} of {item operator} of {Memorial to the Engine Room Heroes of the Titanic} ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q3305518 wdt:P137 ?X . ?X wdt:P793 ?answer}
Answer: bankruptcy, mergers and acquisitions, shipwrecking, takeover, maiden voyage, sinking of the RMS Titanic