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: the reciprocal (inverse) of the period of oscillation is

SOLUTION: Frequency

PROBLEM: how long is a round in ufc fight

SOLUTION:
no longer than five minutes