CREATE TABLE faculty (facid NUMBER, lname CLOB, fname CLOB, rank CLOB, sex CLOB, phone NUMBER, room CLOB, building CLOB)
CREATE TABLE faculty_participates_in (facid NUMBER, actid NUMBER)
CREATE TABLE activity (actid NUMBER, activity_name CLOB)
CREATE TABLE student (stuid NUMBER, lname CLOB, fname CLOB, age NUMBER, sex CLOB, major NUMBER, advisor NUMBER, city_code CLOB)
CREATE TABLE participates_in (stuid NUMBER, actid NUMBER)

Show all the activity names and the number of faculty involved in each activity.
SELECT T1.activity_name, COUNT(*) FROM activity AS T1 JOIN faculty_participates_in AS T2 ON T1.actid = T2.actid GROUP BY T1.actid
SELECT "T1"."activity_name", COUNT(*) FROM "activity" "T1" JOIN "faculty_participates_in" "T2" ON "T1"."actid" = "T2"."actid" GROUP BY "T1"."actid"