Chinastark/bird_dataset huggingface dataset:
Column: START
Data format: date
Description: the start date of the allergy 
Value description: mm/dd/yy
Column: STOP
Data format: date
Description: the stop date of the allergy
Value description: mm/dd/yy
Column: CODE
Data format: integer
Description: the code of the condition
Column: DESCRIPTION
Data format: text
Description: the description of the patient condition