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\*.
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Question: when was the guns and roses riot in st louis

Answer: July 2, 1991


Question: where is britain's got talent semi finals held

Answer: Elstree Studios


Question: where does an embryo usually attach to its mother

Answer:
the wall of the uterus