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

what are the event details of the services that have the type code 'Marriage'?
SELECT T1.event_details FROM events AS T1 JOIN services AS T2 ON T1.service_id = T2.service_id WHERE T2.service_type_code = 'Marriage'
SELECT "T1"."event_details" FROM "events" "T1" JOIN "services" "T2" ON "T1"."service_id" = "T2"."service_id" AND "T2"."service_type_code" = 'Marriage'