CREATE TABLE table_45389 ("Year" FLOAT, "Champion" TEXT, "Runner-Up" TEXT, "Result" TEXT, "Date" TEXT, "Venue" TEXT, "Attendance" TEXT)

Who was the champion at berlin when the result was 2-0 with 100,000 fans in attendance?
SELECT "Champion" FROM table_45389 WHERE "Venue" = 'berlin' AND "Attendance" = '100,000' AND "Result" = '2-0'
SELECT "Champion" FROM "table_45389" WHERE "Attendance" = '100,000' AND "Result" = '2-0' AND "Venue" = 'berlin'