Find the names of departments that are located in Houston.
SELECT t1.dname FROM department AS t1 JOIN dept_locations AS t2 ON t1.dnumber  =  t2.dnumber WHERE t2.dlocation  =  'Houston'
SELECT t1.dname FROM department AS t1 JOIN dept_locations AS t2 ON t1.dnumber  =  t2.dnumber WHERE t2.dlocation  =  'Houston'
[{'Dname': 'Headquarters'}, {'Dname': 'Research'}]