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

What is the first and last name of the faculty participating in the most activities?
SELECT T1.fname, T1.lname FROM faculty AS T1 JOIN faculty_participates_in AS T2 ON T1.facid = T2.facid GROUP BY T1.facid ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."fname", "T1"."lname" FROM "faculty" AS "T1" JOIN "faculty_participates_in" AS "T2" ON "T1"."facid" = "T2"."facid" GROUP BY "T1"."facid" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1