CREATE TABLE table_2649 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

Who were the opponents in the Tokyo championships?
SELECT "Opponents" FROM table_2649 WHERE "Championship" = 'Tokyo'
SELECT "Opponents" FROM "table_2649" WHERE "Championship" = 'Tokyo'