<Tr> <Td> Golden Globe Awards </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Screen Actors Guild Awards </Td> <Td> </Td> <Td> </Td> </Tr> <P> American actress Natalie Portman has been honored with many awards and nominations for her work in acting, including three Academy Award nominations, winning for Black Swan (2010). </P> <Table> Key <Tr> <Td> Year </Td> <Td> Denotes the year of release </Td> </Tr> </Table>

What movie did natalie portman win an oscar for