Question: Which team to which Jeff Green was traded were an American professional basketball team based in Seattle, Washington?
Sentence (from "Portland Trail Blazers all-time roster"): The Trail Blazers are also currently the only NBA team based in the binational Pacific Northwest, after the Vancouver Grizzlies relocated to Memphis and became the Memphis Grizzlies in 2001, and the Seattle SuperSonics relocated to Oklahoma City and became the Oklahoma City Thunder in 2008.
Relevant evidence: No