Complex sentence: In 2000, she guest starred in three episodes of the Sci-Fi Channel's "Stargate SG-1", playing Anise, a Tok'ra archaeologist/scientist whose host is named Freya.
Split into simpler sentences: In 2000, she guest starred in three episodes of "Stargate SG-1". Angel played the role of Anise, a Tok'ra archaeologist/scientist whose Host is named Freya.