Original: Rice was the first black woman, second African American (after her predecessor Colin Powell, who served from 2001 to 2005), and the second woman (after Madeleine Albright, who served from 1997 to 2001 in the Clinton Administration) to serve as Secretary of State.
Simplified: Rice was the first African American woman, second African American (after Powell), and second woman (after Madeleine Albright) to serve as Secretary of State.