CREATE TABLE table_64307 ("Result" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Location" TEXT)

Which Round has an Opponent of aleksandr pitchkounov?
SELECT MIN("Round") FROM table_64307 WHERE "Opponent" = 'aleksandr pitchkounov'
SELECT MIN("Round") FROM "table_64307" WHERE "Opponent" = 'aleksandr pitchkounov'