PHP　syntax error T_STRINGの解決方法

PHPでMYSQLのDBから特定のテーブルのデータをDLしたいと思っています。
同じDB内から他のテーブルのデータはDLできるのですが、
特定のテーブルのデータをDLしようとすると、構文エラーがでてしまいます。

発生している問題・エラーメッセージ

Parse error: syntax error, unexpected 'answer1' (T_STRING), expecting ']' in /usr/home/〇〇〇〇/html/〇〇〇_back/downloadtest/〇〇〇.php on line 46

該当のソースコード

<?php
mb_language("Japanese"); 
mb_internal_encoding("UTF-8");

ini_set('display_errors', 1);
ini_set('error_reporting', E_ERROR);


include "../Db.inc";


$export_csv_title = array("id","list_id","user_id","exclusion","result1","result_name1","result2","result_name2","result3","result_name3","result_status","result","comment","answer1","answer2","answer3","admin_user","update_admin_user","created","modified");

     //CSV出力
$file_path = 'list_datas' . $id . ".csv";
header('Content-Type: text/csv');
header('Content-Disposition: attachment; filename='.$file_path);


    foreach( $export_csv_title as $key => $val ){
        echo mb_convert_encoding($val, 'SJIS-win', 'UTF-8');
        echo ",";
    }

echo "
";


$sql = "SELECT * from list_datas";
foreach ($〇〇〇_dbh->query($sql) as $row) {
	mb_convert_variables('SJIS-win', 'UTF-8', $row);

	echo $row['id'] . ",";
	echo $row['list_id'] . ",";
	echo $row['user_id'] . ",";
	echo $row['exclusion'] . ",";
	echo $row['result1'] . ",";
	echo $row['result_name1'] . ",";
	echo $row['result2'] . ",";
	echo $row['result_name2'] . ",";
	echo $row['result3'] . ",";
	echo $row['result_name3'] . ",";
	echo $row['result_status'] . ",";
	echo $row['result] . ",";
	echo $row['comment'] . ",";
	echo $row['answer1'] . ",";
	echo $row['answer2'] . ",";
	echo $row['answer3'] . ",";
	echo $row['admin_user'] . ",";
	echo $row['update_admin_user'] . ",";
	echo $row['created'] . ",";
	echo $row['modified'] . ",";
	echo "
";
	
}

exit;
?>