Complex sentence: Gillibrand won the November election 63--35%, carrying 54 of New York's 62 counties; the counties that supported DioGuardi did so by a margin no greater than 10%.
Split into simpler sentences: Gillibrand won the November election 63--35%, carrying 54 of New York's 62 counties. The counties that supported DioGuardi did so by a margin no greater than 10%.