Caches are important to providing a high-performance memory hierarchy to processors. Below is a list of 32-bit memory address references, given as word addresses. 6, 214, 175, 214, 6, 84, 65, 174, 64, 105, 85, 215 Q1. Given a direct-mapped cache with 16 one-word blocks, how many hits are there in these times of access? Assume the cache is initially empty. ______(number only)