CREATE TABLE college (Leader_Name VARCHAR(255), College_ID VARCHAR(255)); CREATE TABLE member (College_ID VARCHAR(255), Country VARCHAR(255))
Show the distinct leader names of colleges associated with members from country "Canada".
    
SQL: SELECT DISTINCT T1.Leader_Name FROM college AS T1 JOIN member AS T2 ON T1.College_ID = T2.College_ID WHERE T2.Country = "Canada"