Definition: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Input: Context : ''Welcome to Korea'' was a 2-episode story arc, the 73rd and 74th episodes of the M*A*S*H television series, and first two episodes of the fourth season of the series.
Answer : M*A*S*H
Output:
What is the series called that Welcome to Korea belongs to?