Question:  Jacques van den Broek is the CEO of a firm headquartered in what country?
Sentence (from "Maeda Genzō"): Maeda and other students escorted Rossier around Nagasaki, while the latter took photographs of priests, beggars, the audience of a sumo match, the foreign settlement, and the group portrait of Alexander von Siebold and samurai.
Relevant evidence: No