CREATE TABLE activity (actid NUMBER, activity_name CLOB)
CREATE TABLE participates_in (stuid NUMBER, actid NUMBER)
CREATE TABLE student (stuid NUMBER, lname CLOB, fname CLOB, age NUMBER, sex CLOB, major NUMBER, advisor NUMBER, city_code CLOB)
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)

Find the number of activities Mark Giuliano is involved in.
SELECT COUNT(*) FROM faculty AS T1 JOIN faculty_participates_in AS T2 ON T1.facid = T2.facid WHERE T1.fname = "Mark" AND T1.lname = "Giuliano"
SELECT COUNT(*) FROM "faculty" "T1" JOIN "faculty_participates_in" "T2" ON "T1"."facid" = "T2"."facid" WHERE "Giuliano" = "T1"."lname" AND "Mark" = "T1"."fname"