CREATE TABLE table_name_87 (round NUMBER, event VARCHAR2, location VARCHAR2, method VARCHAR2)

What is the lowest Round with the Location, Las Vegas, Nevada, the Method, Decision (unanimous), and the Event, K-1 World Grand Prix 2003 in Las Vegas II?
SELECT MIN(round) FROM table_name_87 WHERE location = "las vegas, nevada" AND method = "decision (unanimous)" AND event = "k-1 world grand prix 2003 in las vegas ii"
SELECT MIN("round") FROM "table_name_87" WHERE "decision (unanimous)" = "method" AND "event" = "k-1 world grand prix 2003 in las vegas ii" AND "las vegas, nevada" = "location"