ใครคือคู่แข่งในการแข่งขันชิงแชมป์โตเกียว?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who were the opponents in the Tokyo championships?It is not neccessary to use all the tables.
 table_2649:  "Outcome" [ text]  "Year" [ real]  "Championship" [ text]  "Surface" [ text]  "Partner" [ text]  "Opponents" [ text]  "Score" [ text] 
SELECT "Opponents" FROM table_2649 WHERE "Championship" = 'Tokyo'