Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE candidate_assessments (candidate_id VARCHAR, assessment_date VARCHAR)
### Question:
Find id of the candidate who most recently accessed the course?
### Answer:
SELECT candidate_id FROM candidate_assessments ORDER BY assessment_date DESC LIMIT 1