CREATE TABLE table_50786 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What is Record, when Method is 'Technical Submission (Rear Naked Choke)'?
SELECT "Record" FROM table_50786 WHERE "Method" = 'technical submission (rear naked choke)'
SELECT "Record" FROM "table_50786" WHERE "Method" = 'technical submission (rear naked choke)'