Task: Question Understanding
Input (English): Context : On his second trip to the East, for a different company, Cornelis de Houtman and his troops got into a confrontation in Aceh, because of his rude temperament, and soon there were fierce battles with the Acehnese Navy, led by Aceh's female admiral, Keumalahayati (Malahayati) who eventually managed to kill Cornelis de Houtman. 
Question : What was Cornelis de Houtman's occupation?
Output (English): occupation