exchange-2.0/app/Http/Resources/QuestionnaireAnswersResource.php

<?php

namespace App\Http\Resources;


use Illuminate\Http\Resources\Json\JsonResource;
use App\Models\QAQuestions;

class QuestionnaireAnswersResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        $question = QAQuestions::where('id', $this->question_id)->first();
        return [
            'question_title' => $question ? $question->question_title : null,
            'answer' => $this->answer
        ];
    }
}