What is the total number of Round(s), when Time is "N/A", when Location is "Alabama , United States", and when Record is "1-2-0"?
CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "round" real,
  "time" text,
  "location" text
);
SELECT COUNT("round") FROM "mixed_martial_arts_record" WHERE "time"='n/a' AND "location"='alabama , united states' AND "record"='1-2-0';