Chinastark/bird_dataset huggingface dataset:
Column: person_id
Name: person id
Data format: text
Description: the unique identifier for the person
Column: name
Data format: text
Description: the name of the person
Column: birthdate
Name: birth date
Data format: date
Description: the date the person was born
Value description: if null, it means this birthdate of the person is not available
Column: birth_name
Name: birth name
Data format: text
Description: the name parents gave to the person shortly after birth
Column: birth_place
Name: birth place
Data format: text
Description: the place where a person was born.
Value description: commonsense evidence: the birth place info is integrate if birth_name, birth_place, birth_region don't contain null value
the full birth place = birth_country +birth_region +birth_place
Column: birth_region
Name: birth region
Data format: text
Description: the geographical area describing where a person was born that is larger than the birth place
Column: birth_country
Name: birth country
Data format: text
Description: the name of the country where the person was born
Value description: commonsense evidence: can ask questions about its corresponding continent: e.g.: 
USA --> North America
Column: height_meters
Name: height meters
Data format: real
Description: how tall the person is in meters
Column: nickname
Data format: text
Description: the nickname the person goes by