Referee[]

referee_club_id (int)
dommer_lagid (int)
name (string)
first_name (string)
last_name (string)
referee_number (string)
email (string)
street_adress (string)
postal_code (string)
postal_town (string)
telephone (string)
mobile_phone (string)
referee_grade (string)
referee_type (string)
birth_date (date)
next_of_kin_name (string)
next_of_kin_telephone (string)
allergy_disease (string)
extrainfo (string)