CREATE TABLE "event" (
    "Event_ID" int,
    "Date" text,
    "Venue" text,
    "Name" text,
    "Event_Attendance" int,
    PRIMARY KEY ("Event_ID")
)

CREATE TABLE "journalist" (
    "journalist_ID" int,
    "Name" text,
    "Nationality" text,
    "Age" text,
    "Years_working" int,
    PRIMARY KEY ("journalist_ID")
)

CREATE TABLE "news_report" (
    "journalist_ID" int,
    "Event_ID" int,
    "Work_Type" text,
    PRIMARY KEY ("journalist_ID","Event_ID"),
    FOREIGN KEY ("journalist_ID") REFERENCES `journalist`("journalist_ID"),
    FOREIGN KEY ("Event_ID") REFERENCES `event`("Event_ID")
)
SELECT avg(Event_Attendance) ,  max(Event_Attendance) FROM event
what are the average and maximum attendances of all events?