Yes I think so.... something like the sample just don't use *
<!-- Execute SQL and return the result in an Item. Each column is available as metadata -->
<MSBuild.ExtensionPack.SqlServer.SqlExecute TaskAction="ExecuteReader" Sql="Select * from sys.tables" ConnectionString="Data Source=desktop\Sql2008;Initial Catalog=;Integrated Security=True">
<Output ItemName="RResult" TaskParameter="ReaderResult"/>
</MSBuild.ExtensionPack.SqlServer.SqlExecute>
<Message Text="%(RResult.Identity) - %(RResult.object_id)"/>