Show names of technicians in ascending order of quality rank of the machine they are assigned.
create table repair_assignment (machine_id varchar, technician_id varchar, PRIMARY KEY (machine_id)); create table machine (machine_id varchar, quality_rank varchar, PRIMARY KEY (machine_id)); create table technician (name varchar, technician_id varchar, PRIMARY KEY (name))
select t3.name from repair_assignment as t1 join machine as t2 on t1.machine_id = t2.machine_id join technician as t3 on t1.technician_id = t3.technician_id order by t2.quality_rank