were of Jewish ethnicity
... that of the 802 individual Nobel Prize winners, at least 162 (20%) were of Jewish ethnicity?
... that of the 802 individual <a href="./Nobel_Prize" id="mwFBI" rel="mw:WikiLink" title="Nobel Prize">Nobel Prize</a> winners, at least 162 (20%) <b id="mwFBM"><a class="mw-redirect" href="./List_of_Jewish_Nobel_Prize_Winners" id="mwFBQ" rel="mw:WikiLink" title="List of Jewish Nobel Prize Winners">were of Jewish ethnicity</a></b>?