CREATE TABLE club (clubid VARCHAR(255), clubname VARCHAR(255)); CREATE TABLE student (lname VARCHAR(255), stuid VARCHAR(255)); CREATE TABLE member_of_club (clubid VARCHAR(255), stuid VARCHAR(255))
Find the last names of the members of the club "Bootup Baltimore".
    
SQL: SELECT t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore"