You will be given a definition of a task first, then some input of the task.
Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: The Intriguers, first published in 1972, was the fourteenth novel in the Matt Helm spy series by Donald Hamilton.
Question: To which series does The Intriguers belong?
Output:
matt helm