mysql_query($sqlQ, $connection);
mysql_query("DELETE FROM Leaderboards WHERE UserName=" . $row['UserName'] . " LIMIT 1", $connection);
echo("Success3");

mysql_query("DELETE FROM Leaderboards WHERE UserName='" . $row['UserName'] . "' LIMIT 1", $connection);

mysqli_query($sqlQ, $connection);
mysqli_query("DELETE FROM Leaderboards WHERE UserName='" . mysqli_real_escape_string($connection, $row['UserName']) . "' LIMIT 1", $connection);
echo("Success3");

mysqli_query("DELETE FROM Leaderboards WHERE UserName='" . mysql_real_escape_string($row['UserName']) . "' LIMIT 1", $connection);