<qa>  How many randomized subjects will be randomized to undergo percutaneous coronary revascularizationSubjects with CAD that qualify for PCI with stenting will be screened per the protocol inclusion and exclusion criteria to achieve a total of up to 1,400 randomized subjects. Eligible subjects will be randomized in a 2:1 ratio, stratified by study center, to undergo percutaneous coronary revascularization with either the Orsiro Sirolimus Eluting Stent System treatment group or the Xience Everolimus Eluting Stent System control group. 