CREATE TABLE table_76793 ("Year" FLOAT, "Tournament" CLOB, "Surface" CLOB, "Round" CLOB, "Winner" CLOB, "Score" CLOB, "Length  ( H:MM ) " CLOB, "Sets" CLOB, "Federer" FLOAT, "Nadal" FLOAT)

What tournament did Nadal win and had a nadal of 16?
SELECT "Tournament" FROM table_76793 WHERE "Winner" = 'nadal' AND "Nadal" = '16'
SELECT "Tournament" FROM "table_76793" WHERE "Nadal" = '16' AND "Winner" = 'nadal'