CREATE TABLE table_74901 ("Round" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Winning team" CLOB)

What Round was the Winning Team Engstler Motorsport Maurer Motorsport?
SELECT "Round" FROM table_74901 WHERE "Winning team" = 'engstler motorsport maurer motorsport'
SELECT "Round" FROM "table_74901" WHERE "Winning team" = 'engstler motorsport maurer motorsport'