macthed element lost structures?

my xsl lost all marks of matched elements
I want the output to be    <FirstStream><name>     TheFirstName    </name>
<data>  TheFirstData   </data> /FirstStream>....

But the output I got is:    <FirstStream>    TheFirstName    TheFirstData
</FirstStream>....

the" <name>" and "<data>"is lost,  does anybody have some idea why?
here is my input streams,  transformer, thanks for your time and help
ve~~~~~~~~ry much indeed

//lechael

<xsl:template match="overall">
<FirstStream><xsl:apply-templates select="stream1"/>
</FirstStream>
<SecondStream>
    <xsl:apply-templates select="stream2|stream3"/>
 <SecondStream></xsl:template>

<overall>
<stream1>
    <name>
        TheFirstName
    </name>
    <data>
          TheFirstData
    </data>
</stream1>
<stream2>
    <despt>
        here is the descript
    </despt>
    <remark>
        Here is the remark
    </remark>
</stream2>
</overall>