CREATE TABLE table_36516 ("Result" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Date" CLOB, "Round" CLOB, "Time" CLOB, "Location" CLOB, "Rules" CLOB)

Which Opponent has a Round of 4, and a Rules of thai boxing?
SELECT "Opponent" FROM table_36516 WHERE "Round" = '4' AND "Rules" = 'thai boxing'
SELECT "Opponent" FROM "table_36516" WHERE "Round" = '4' AND "Rules" = 'thai boxing'