Who are the technicians from team "CLE" and "CWS"?
select name from technician where team = 'CLE' or team = 'CWS'
Please show me the starting years for them
select starting_year from technician where team = 'CLE' or team = 'CWS'
What years are shared?
select starting_year from technician where team = "CLE" intersect select starting_year from technician where team = "CWS"
Can you also give me the minimum and maximum starting years?
select max ( starting_year ) ,min ( starting_year ) from technician