CREATE TABLE table_71892 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What was the location of the match that ended before round 2, against Hikaru Sato?
SELECT "Location" FROM table_71892 WHERE "Round" < '2' AND "Opponent" = 'hikaru sato'
SELECT "Location" FROM "table_71892" WHERE "Opponent" = 'hikaru sato' AND "Round" < '2'