Chinastark/bird_dataset huggingface dataset:
Column: id 
Description: the unique identifier of the record
Column: person_id
Name: person id
Data format: integer
Description: the id of the person
Maps to person(id)
Value description: commonsense evidence:
The times a person participated in the Olympics games could be calculated by grouping by person_id.
Column: age
Data format: integer
Description: the age of the person when he/she participated in the game
Value description: commonsense evidence:
If person A's age was 22 when he participated in game A and his age was 24 when he participated in game B, it means that game A was held two years earlier than game B.