Question: The SS Leonardo da Vinci was built to replace an ocean liner that sank killing how many people?
Sentence (from "Leonardeschi"): Both Predis brothers are known for having collaborated with Leonardo da Vinci in the painting of the "Virgin of the Rocks" for the altarpiece in the chapel of the Confraternity of the Immaculate Conception at the Church of San Francesco Grande, Milan.
Relevant evidence: No