public function getApplicantByCode(string $code): Applicant 	{ 		return Applicant::whereRaw('BINARY `code` = ?', [$code]) 			->fillingOnlineSurvey() 			->hasNotCompletedSurvey() 			->with([ 				'survey.demographicQuestions', 				'survey.extraQuestions', 			]) 			->first(); 	}