How many values for earpads correspond to the headphone class Prestige and a US MSRP of $79?
create table table_1601027_1 (earpads varchar, headphone_class varchar, us_msrp varchar, PRIMARY KEY (earpads))
select count(earpads) from table_1601027_1 where headphone_class = "prestige" and us_msrp = "$79"