lly take care of instantiating the right class, as well as
        caching instances of <span class="code">Manager</span>. An instance of
        <span class="code">DBBinder</span> is held by the engine as attribute
        <span class="code">db_binder</span>. Here's an example of making a
        simple query.
    </p>
    <table>
        <tr class="first_row">
            <td style='width:50%'>2.7</td>
            <td>3.0</td>
        </tr>
        <tr>
            <td><pre class="tty">db = config_dict['S