What is the last Grand Slam that Serena Williams won?
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The US Open is part of the Grand Slam, and is the country where Serena Williams is from.
The United States of America is the country of origin of the tennis player , Serena Williams . The country is the location of the US Open which is part of the Grand Slam .
What is the last Grand Slam that Serena Williams won?</s>The [unused1]US Open                [unused2] is part of the Grand Slam, and is the country where Serena Williams is from.
What is the last Grand Slam that Serena Williams won?</s>The US Open is part of the Grand Slam, and is the country where Serena Williams is from.
What is the last Grand Slam that Serena Williams won?</s>The United States of America is the country of origin of the tennis player , Serena Williams . The country is the location of the [unused1]US Open                [unused2] which is part of the Grand Slam .
What is the last Grand Slam that Serena Williams won?</s>The United States of America is the country of origin of the tennis player , Serena Williams . The country is the location of the US Open which is part of the Grand Slam .
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