You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax

<?php 
    include '../../db/db.php';
    $query = " SELECT ('login','password') from 'users' WHERE ('login','password') = ('$login','$password') ";
    $result = $connection->query($query);
    if (!$result) die($connection->error);
    if ($result->num_rows == 0) exit('Ошибка');
    //Одна строка
    $myrow = $result->fetch_array(MYSQLI_ASSOC);
    $test=$myrow['login'];
    //Перебор значений
    while ($myrow = $result->fetch_array(MYSQLI_ASSOC)) {
        $test=$myrow['login']; }
    //Вторая строка
    $myrow = $result->fetch_array(MYSQLI_ASSOC);
    $test=$myrow['password'];
    //Перебор значений
    while ($myrow = $result->fetch_array(MYSQLI_ASSOC)) {
    $test=$myrow['password'];  }
?>

Выдает ошибку:

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''users' WHERE ('login','password') = ('','')' at line 1.