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\*.

when was the first superman comic book published
June 1938

what type of stone did the romans use
Travertine limestone

who did lebron james play for before the cleveland cavaliers

Miami Heat