CREATE TABLE table_64160 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

Where was the match that lasted less than 3 rounds and was won by submission (triangle choke)?
SELECT "Location" FROM table_64160 WHERE "Round" < '3' AND "Method" = 'submission (triangle choke)'
SELECT "Location" FROM "table_64160" WHERE "Method" = 'submission (triangle choke)' AND "Round" < '3'