Write a query to identify the top three most utilized clinical services by employer group at Maven Clinic.
Return utilization counts for recorded service events. If services tie within an employer group, order tied services alphabetically.
Output
- One row per included employer group and clinical service, with
employer_group_name, service_name, utilization_count, and service_rank.
- Include no more than three services per employer group, ordered by utilization descending, rank ascending, and employer group name ascending.
