what is the minimum total cost of a hospital that includes a medicine called fenofibrate micronized in 2105?
select min(t1.c1) from ( select sum(cost.cost) as c1 from cost where cost.hadm_id in ( select prescriptions.hadm_id from prescriptions where prescriptions.drug = 'fenofibrate micronized' ) and strftime('%y',cost.chargetime) = '2105' group by cost.hadm_id ) as t1