Find the first name of students who are living in the Smith Hall.
create table student (fname varchar, stuid varchar, PRIMARY KEY (fname)); create table lives_in (stuid varchar, dormid varchar, PRIMARY KEY (stuid)); create table dorm (dormid varchar, dorm_name varchar, PRIMARY KEY (dormid))
select t1.fname from student as t1 join lives_in as t2 on t1.stuid = t2.stuid join dorm as t3 on t3.dormid = t2.dormid where t3.dorm_name = 'smith hall'