รบกวนพี่ๆช่วยหน่อยครับ จะดึงข้อมูลจากฐานข้อมูลมาแสดงในตารางแค่ชื่อเดียวแต่แต่รันแล้วข้อมูลออกมาทุกชื่อเลยครับรบกวนดูโค้ดหน่อยจะแก้ยังไง

<?php
header("Content-type:application/json; charset=UTF-8");          
header("Cache-Control: no-store, no-cache, must-revalidate");         
header("Cache-Control: post-check=0, pre-check=0", false);    
include("connect.php"); 
$mysqli = connect();   

	$q="SELECT * FROM tb_room WHERE date(start_time)>='".$_GET['start']."'  ";  
    $q.=" AND date(end_time)<='".$_GET['end']."' ORDER by locate";  
	
	$result = $mysqli->query($q);
	
	while($rs=$result->fetch_object()){

			if($rs->locate == "KARA1"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA2"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA3"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA4"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA5"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA6"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA7"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA8"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA9"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA10"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA11"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA12"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA13"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA14"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA15"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA16"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA17"){
				$color = "#EC971F";
			}

			if($rs->locate == "KARA18"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA19"){
				$color = "#EC971F";
			}
			
			if($rs->locate == "KARA20"){
				$color = "#EC971F";
			}

        $json_db[]=array(  
            "id"=>$rs->id,
            "title"=>$rs->locate.",".$rs->name.",".$rs->detail.",'".$rs->save,
            "start"=>$rs->start_time,
            "end"=>$rs->end_time,
			"url"=>"show_data.php?id=".$rs->id,
			"color"=>$color,
        );    
	  }  

$json= json_encode($json_db);  

if(isset($_GET['callback']) && $_GET['callback']!=""){  
echo $_GET['callback']."(".$json.");";      
}else{  
echo $json;  
}  
?>