CREATE TABLE Faculty_participates_in (actID VARCHAR2)
CREATE TABLE Activity (activity_name VARCHAR2, actID VARCHAR2)

What is the name of the activity that has the most faculty members involved in?
SELECT T1.activity_name FROM Activity AS T1 JOIN Faculty_participates_in AS T2 ON T1.actID = T2.actID GROUP BY T1.actID ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."activity_name" FROM "Activity" "T1" JOIN "Faculty_participates_in" "T2" ON "T1"."actID" = "T2"."actID" GROUP BY "T1"."actID" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY