Complex sentence: Waters was the second African American, after Hattie McDaniel, to be nominated for an Academy Award, as well as the first African American woman to be nominated for an Emmy Award, in 1962.
Split into simpler sentences: Waters was the second African American, after Hattie McDaniel, to be nominated for an Academy Award. She is also the first African American woman to be nominated for an Emmy Award, in 1962.