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\*.

who is the principal assistant to the president in all matters relating to the dod
Secretary of Defense

what does cam stand for in property management
Common Area Maintenance

who played the twins in the parent trap

Hayley Mills