You work for a health care company based in Europe and you need to align with General Data Protection Regulation (GDPR). This requires you to implement a solution for "the right to be forgotten" principle which lets an individual make a request for erasure of all their personal data. Such requests can be verbal or in writing, and requires you to respond to the request for erasure without undue delay and within one month of receipt. As the IT Solution Architect, what solution should you consider to delete such PII data from BigQuery?