original_column_name,column_name,column_description,data_format,value_description
id,,the unique number identifying the menu,integer,
name,,the name of the menu,text,"commonsense evidence:

if the value is not null or empty, it means this menu has special dishes.

otherwise, this menu is general and nothing special"
sponsor,,the sponsor of this menu,text,"commonsense evidence:

if the value is null or empyt, it means this meanu is DIY by the restaurant."
event,,the event that the menu was created for,text,
venue,,the venue that the menu was created for,text,
place,,the location that the menu was used,text, the location that the menu was used
physical_description,physical description,physical description of the menu,text,
occasion,,occasion of the menu,text,
notes,,notes,text,
call_number,,call number,text,"commonsense evidence:
if null: not support for taking out or booking in advance"
keywords,,keywords,text,not useful
language,,language,text,not useful
date,,the date that this menu was created,date,
location,,the location that the menu was used,text,
location_type,,,text,not useful
currency,,the currency that the menu was used,text,
currency_symbol,,the currency symbol,text,
status,,status of the menu,text,
page_count,page count,the number of pages of this menu,integer,
dish_count,dish count,the number of dishes of this menu,integer,