CREATE TABLE activity (activity_name VARCHAR(255)); CREATE TABLE Faculty_participates_in (facID VARCHAR(255), actid VARCHAR(255)); CREATE TABLE Faculty (lname VARCHAR(255), facID VARCHAR(255))
Find the first names of the faculty members who are playing Canoeing or Kayaking.
    
SQL: SELECT DISTINCT T1.lname FROM Faculty AS T1 JOIN Faculty_participates_in AS T2 ON T1.facID = T2.facID JOIN activity AS T3 ON T2.actid = T2.actid WHERE T3.activity_name = 'Canoeing' OR T3.activity_name = 'Kayaking'