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 complaints (staff_id VARCHAR); CREATE TABLE staff (first_name VARCHAR, staff_id VARCHAR)
### Question:
What is first names of the top 5 staff who have handled the greatest number of complaints?
### Answer:
SELECT t1.first_name FROM staff AS t1 JOIN complaints AS t2 ON t1.staff_id = t2.staff_id GROUP BY t2.staff_id ORDER BY COUNT(*) LIMIT 5