instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Gibbons and orang-utans are types of which creature?
answer:
ape


question:
Which female singer released the album I'm Breathless?
answer:
madonna


question:
In 1941 Josef Jakobs was the last spy to be executed where?
answer:

tower of london