CREATE TABLE services (service_id DECIMAL, service_type_code TEXT)
CREATE TABLE participants (participant_id DECIMAL, participant_type_code TEXT, participant_details TEXT)
CREATE TABLE participants_in_events (event_id DECIMAL, participant_id DECIMAL)
CREATE TABLE events (event_id DECIMAL, service_id DECIMAL, event_details TEXT)

List the service id and details for the events.
SELECT service_id, event_details FROM events
SELECT "service_id", "event_details" FROM "events"