{% with widget=widget.subwidgets.0 %}
<div>
    <label for="{{ widget.attrs.id }}">From:</label>
    {% include widget.template_name %}
</div>
&nbsp;&nbsp;&nbsp;
{% endwith %}
{% with widget=widget.subwidgets.1 %}
<div>
    <label for="{{ widget.attrs.id }}">To:</label>
    {% include widget.template_name %}
</div>
{% endwith %}