CREATE TABLE table_64276 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" FLOAT, "Time" CLOB, "Location" CLOB)

Which round did the bout that led to a 1-0 record end in?
SELECT "Round" FROM table_64276 WHERE "Record" = '1-0'
SELECT "Round" FROM "table_64276" WHERE "Record" = '1-0'