CREATE TABLE table_48059 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What is the round number when the record is 15 7 1?
SELECT COUNT("Round") FROM table_48059 WHERE "Record" = '15–7–1'
SELECT COUNT("Round") FROM "table_48059" WHERE "Record" = '15–7–1'