Return two database results with the one jQuery AJAX form (o

<?php
function buildorprojects_ajax(){

    global $wpdb;

    $sendingclienturn_js = $_POST['sendingclienturn_js'];

    $query_buildsorprojects = $wpdb->get_results(
        "
        SELECT *
        FROM wp_crm_bplist
        WHERE clienturn = '$sendingclienturn_js'
        AND deleted <> '1'
        ORDER BY buildorproject, recorddateandtime DESC
        "
    );

    if($query_buildsorprojects===FALSE){
        echo "Error";
    }
    else {


        foreach ( $query_buildsorprojects as $query_buildorproject ) {
            $aaa= '<option class="filterable_option" value="'.$query_buildorproject->recordurn.'"  data-clienturn="'.$query_buildorproject->clienturn.'">'.$query_buildorproject->buildprojecturn.' - '.$query_buildorproject->buildorproject.' ('.$query_buildorproject->buildorprojecttype.')</option>';
        }

    }

////////////////////////////////////////////////////////////////
    $query_penultimateratings = $wpdb->get_results(
        "
        SELECT *
        FROM wp_crm_aclist
        WHERE clienturn='$sendingclienturn_js'
        AND deleted <> 1
        ORDER BY recorddateandtime DESC
        LIMIT 1
        "
    );

    if($query_penultimateratings===FALSE){
        echo "Error";
    }
    else {
        foreach ( $query_penultimateratings as $query_penultimaterating ){

            $bbb =  $query_penultimaterating->prospectstrength;
        }
    }

    $aaabbb=array($aaa,$bbb);
    return $aaabbb;
////////////////////////////////////////////////////////////////

    die();
}
add_action('wp_ajax_buildorprojects_ajax', 'buildorprojects_ajax');
add_action('wp_ajax_nopriv_buildorprojects_ajax', 'buildorprojects_ajax');