Question: Find the names of departments that are located in Houston.
Schema: create table dept_locations (dnumber varchar, dlocation varchar, PRIMARY KEY (dnumber)); create table department (dname varchar, dnumber varchar, PRIMARY KEY (dname))
SQL: select t1.dname from department as t1 join dept_locations as t2 on t1.dnumber = t2.dnumber where t2.dlocation = 'houston'