Dr. Rick
... that Progressive Corporation, an insurer, published 5,000 copies of a book credited to Dr. Rick, its fictional advertising campaign character?
... that <a href="./Progressive_Corporation" id="mwA2w" rel="mw:WikiLink" title="Progressive Corporation">Progressive Corporation</a>, an insurer, published 5,000 copies of a book credited to <b id="mwA20"><a href="./Dr._Rick" id="mwA24" rel="mw:WikiLink" title="Dr. Rick">Dr.<span id="mwA28" typeof="mw:Entity"> </span>Rick</a></b>, its fictional advertising campaign character?