SELECT Event_Details, COUNT(Event_Details) FROM Events AS T1 JOIN Services AS T2 ON T1.Service_ID = T2.Service_ID WHERE T2.Service_Type_Code = 'Marriage' GROUP BY Event_Details
what are the event details of the services that have the type code 'Marriage', and count them by a pie chart
CREATE TABLE Services (
    Service_ID INTEGER,
    Service_Type_Code CHAR(15)
)

CREATE TABLE Participants_in_Events (
    Event_ID INTEGER,
    Participant_ID INTEGER
)

CREATE TABLE Events (
    Event_ID INTEGER,
    Service_ID INTEGER,
    Event_Details VARCHAR(255)
)

CREATE TABLE Participants (
    Participant_ID INTEGER,
    Participant_Type_Code CHAR(15),
    Participant_Details VARCHAR(255)
)