Question: Heidi Swedberg, is an American actress and musician, best known for her role as Susan Ross, as the fiancée of which character in the American television sitcom "Seinfeld" (1989–1998), played by Jason Alexander?
Sentence (from "Jerry Seinfeld (character)"): He is usually the voice of reason amidst his friends' antics and the focal point of the foursome's relationship.
Relevant evidence: No