instruction:
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\*.
question:
when was the guns and roses riot in st louis
answer:
July 2, 1991


question:
who was ancient china's main enemy that lived to the north
answer:
Sui Dynasty


question:
number of states in the south during civil war
answer:

eleven