how to get single value from group_concat query - php

Question

i am getting these
but i need this
How to get seperate value for quiz name ?
query=select userquiz.id,userquiz.user_id,userss.username,quiz.quiz_name,GROUP_CONCAT(userquiz.quiz_id) as 'quiz_id',GROUP_CONCAT(quiz.quiz_name) as 'quiz_name' from userquiz join userss on userss.id=userquiz.user_id join quiz on quiz.quiz_id=userquiz.quiz_id group by user_id;
$filter_query = $query . ' ' . 'LIMIT ' . $start . ', ' . $limit
. '';
$statement = $connect->prepare($query);
// print_r($query);
$statement->execute();
$total_data = $statement->rowCount();
$statement = $connect->prepare($filter_query);
$statement->execute();
$result = $statement->fetchAll();
$total_filter_data = $statement->rowCount();
$output = '
<label> Total Records :- ' . $total_data . '</label>
<table class="table table-bordered" style="margin-top:40px";>
<tr>
<th>Username</th>
<th>Quizname</th>
<th>Action</th>
</tr>
';
if ($total_data > 0) {
foreach ($result as $row) {
$output .= '
<tr>
<td>' . $row["username"] . '</td>
<td><button type=" button" style="background-color:maroon; border: #4685A9;" class="btn btn-success"">' . $row["quiz_name"] . '</td>
<td><button type=" button" style="background-color:red; border: #4685A9;" class="btn btn-primary dltbtn" data-id="' . $row["user_id"] . '"> DELETE</button>
<button type=" button" style="background-color:orange; border: #4685A9;" class="btn btn-primary editbtn" data-eid="' . $row["user_id"] . '">Assign Quiz</button></td>
</tr>
';
}
this is how i am fetching the values
i need to make quiz as button so that can be deleted