This question has been answered by sottwell. See the first response.
<ul>
<li><h3>Team One</h3>
[[pdoResources?
&parents=`56`
&limit=`0`
&tpl=`teamTpl`
&includeTVs=`team,photo`
&where=`{"TVteam.value":"team1"}`
]
<li><h3>Team Two</h3></li>
[[pdoResources?
&parents=`56`
&limit=`0`
&tpl=`teamTpl`
&includeTVs=`team,photo`
&where=`{"TVteam.value":"team2"}`
]
...
</ul>