How to compare two columns from two different table in Laravel

I have two tables one is "Question" and Another is "Answer" In question table, I have columns id, question, option1, option2, option3 and answer in the second table have an id,user_id, question_id, answer. I want to match the answer column from two table.

Question model

   public function answers()
  {
      return $this->hasOne('App\answers', 'answer');
  }

Answer Model

  public function question()
  {
  return $this->belongsTo('App\Question', 'answer');
  }

via Chebli Mohamed