Chinastark/bird_dataset huggingface dataset:
Column: actor_id
Name: actor id
Data format: integer 
Description: unique id number identifying the actor
Column: first_name
Name: first name
Data format: text
Description: First name of the actor
Column: last_name
Name: last name
Data format: text
Description: Last name of the actor
Column: last_update
Name: last update
Data format: datetime
Description: The time of the latest update