PDO DB sor kiiratás

try
{
    $pdo_options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_EXCEPTION;
    $username = "uname"; //DB USERNAME
    $password = "pword"; //DB PASSWORD

    $datab = new PDO('mysql:host=127.0.0.1;dbname=dbname', $username, $password, $pdo_options);
}
catch (Exception $e)
{
        echo "hiba: ".$e->getMessage();
        die();
}

// Index sor keresése
$visitsI = $datab->prepare("SELECT * FROM views WHERE page ='index'");
$visitsI->execute();
$counterI = $visitsI->fetch(PDO::FETCH_ASSOC);

// 'num' oszlop kiiratása index sorból
kiiratás: $counterI['num']