Yes.
select name from procedures order by cost desc limit 1
How many physicians are trained in Complete Walletectomy?
select count ( * ) from physician as t1 join trained_in as t2 on t1.employeeid = t2.physician join procedures as t3 on t3.code = t2.treatment where t3.name = 'Complete Walletectomy'
What is that physician's name?
select t1.name from physician as t1 join trained_in as t2 on t1.employeeid = t2.physician join procedures as t3 on t3.code = t2.treatment where t3.name = 'Complete Walletectomy'
The certification date.
select t2.certificationdate from physician as t1 join trained_in as t2 on t1.employeeid = t2.physician join procedures as t3 on t3.code = t2.treatment where t3.name = 'Complete Walletectomy'