CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "time" text,
  "location" text
);

Question: How many total rounds have the results of win, and n/a as the method?
SQL: SELECT COUNT("round") FROM "mixed_martial_arts_record" WHERE "res"='win' AND "method"='n/a';

Question: How long did the match last in the Rings: Final Capture event?
SQL: SELECT "time" FROM "mixed_martial_arts_record" WHERE "event"='rings: final capture';

Question: What is the result for the match against Wataru Sakata?
SQL: SELECT "res" FROM "mixed_martial_arts_record" WHERE "opponent"='wataru sakata';

Question: The match against Oleg Taktarov had what result?
SQL: SELECT "res" FROM "mixed_martial_arts_record" WHERE "opponent"='oleg taktarov';

Question: What was the method when 4-2 was the record?
SQL: SELECT "method" FROM "mixed_martial_arts_record" WHERE "record"='4-2';