TASK DEFINITION: In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
PROBLEM: when was ethnomethodology used for the first time

SOLUTION: 1954

PROBLEM: what is the old name for south africa

SOLUTION: Union of South Africa

PROBLEM: which preservationist was instrumental in establishing a national park to protect yosemite valley

SOLUTION:
John Muir