Evaluating XPath Expresssions

XPath Result of XPath Evaluation
zero-or-one(/FitnessCenter/Member[1]/Name) 
<Name>Jeff</Name>
one-or-more(/FitnessCenter/Member[1]/Phone) 
<Phone type="home">555-1234</Phone>
<Phone type="work">555-4321</Phone>
exactly-one(/FitnessCenter/Member[1]/FavoriteColor) 
<FavoriteColor>lightgrey</FavoriteColor>

The XML Document

<FitnessCenter>
        <Member id="1" level="platinum">
                <Name>Jeff</Name>
                <Phone type="home">555-1234</Phone>
                <Phone type="work">555-4321</Phone>
                <FavoriteColor>lightgrey</FavoriteColor>
                <MembershipFee>340</MembershipFee>
        </Member>
        <Member id="2" level="gold">
                <Name>David</Name>
                <Phone type="home">383-1234</Phone>
                <Phone type="work">383-4321</Phone>
                <FavoriteColor>lightblue</FavoriteColor>
                <MembershipFee>-500</MembershipFee>
        </Member>
        <Member id="3" level="platinum">
                <Name>Roger</Name>
                <Phone type="home">888-1234</Phone>
                <Phone type="work">888-4321</Phone>
                <FavoriteColor>lightyellow</FavoriteColor>
                <MembershipFee>340</MembershipFee>
        </Member>
</FitnessCenter>