Question: Who flew on more Space Shuttle missions, meteorologist Piers Sellers or chemical engineer Lodewijk van den Berg?
Sentence (from "Wilma van den Berg"): Wilhelmina Catharina Maria Martina "Wilma" van Gool (née van den Berg on 11 August 1947, commonly known as Wilma van den Berg) is a retired sprinter from the Netherlands.
Relevant evidence: No