Question: West Ridge and the ridge that has IndependenceAvenue/Liberation Avenue as its eastern boundary are separated by what road? 
Sentence (from "Howard Street (Chicago)"): At Paulina Street, it houses the Howard CTA Station, the northern terminus of the Red Line, and, between Paulina Street and Kedzie Avenue, serves as the border between the city of Chicago (community areas of Rogers Park and West Ridge) and the city of Evanston.
Relevant evidence: No