CREATE TABLE table_47486 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" TEXT, "Location" TEXT)

What is Method, when Opponent is 'Thiago Alves'?
SELECT "Method" FROM table_47486 WHERE "Opponent" = 'thiago alves'
SELECT "Method" FROM "table_47486" WHERE "Opponent" = 'thiago alves'