CREATE TABLE table_24152 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents in the final" CLOB, "Score in the final" CLOB)

Who were D rr's opponents in the final on year 1968?
SELECT "Opponents in the final" FROM table_24152 WHERE "Year" = '1968'
SELECT "Opponents in the final" FROM "table_24152" WHERE "Year" = '1968'