Question: What event had a Win, record of 8-1 and N/A round?
SQL: SELECT "Event" FROM "2-17441870-2" WHERE "Res." = 'Win' AND "Round" = 'N/A' AND "Record" = '8-1';

Question: What event was the opponent Karl Knothe and had a Submission (rear naked choke)?
SQL: SELECT "Event" FROM "2-17441870-2" WHERE "Method" = 'Submission (rear naked choke)' AND "Opponent" = 'Karl Knothe';

Question: What's the record for the match when the res was a Win and the method was a Decision?
SQL: SELECT "Record" FROM "2-17441870-2" WHERE "Method" = 'Decision' AND "Res." = 'Win';

Question: What round had a record of 4-1?
SQL: SELECT "Round" FROM "2-17441870-2" WHERE "Record" = '4-1';

Question: What's the record of the UCS 2 - Battle at the Barn when the round was N/A?
SQL: SELECT "Record" FROM "2-17441870-2" WHERE "Round" = 'N/A' AND "Event" = 'UCS 2 - Battle at the Barn';

Question: What round had a record of 8-2?
SQL: SELECT "Round" FROM "2-17441870-2" WHERE "Record" = '8-2';