Original sentence: There are now four congregations (the Orthodox Ohel Leah Congregation, the Chabad-Lubavitch Congregation, the Progressive United Jewish Congregation, and the Conservative Shuva Israel Congregation), which which have their own rabbis and places of worship
Edited sentence: There are now four congregations (the Orthodox Ohel Leah Congregation, the Chabad-Lubavitch Congregation, the Progressive United Jewish Congregation, and the Conservative Shuva Israel Congregation), which have their own rabbis and places of worship