Find the addresses of the course authors who teach the course with name "operating system" or "data structure".
SELECT T1.address_line_1 FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id  =  T2.author_id WHERE T2.course_name  =  "operating system" OR T2.course_name  =  "data structure"
SELECT T1.address_line_1 FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id  =  T2.author_id WHERE T2.course_name  =  "operating system" OR T2.course_name  =  "data structure"
[{'address_line_1': '8928 Kunze Valley Apt. 747\nSouth Jedidiahmouth, DE 28167'}, {'address_line_1': '425 White Brooks\nEmmaleefort, IN 97850-2510'}]