def get_hr_val(choices, db_val):
    """
    Get the human readable value for the DB value from a choice tuple.
    
    Args:
        choices (tuple): The choice tuple given in the model.
        db_val: The respective DB value.
        
    Returns:
        The matching human readable value.
    """
    
    for pair in choices:
        if pair[0] == db_val:
            return pair[1]
    # Value not found.
    return None