CREATE TABLE Course_Authors_and_Tutors (address_line_1 VARCHAR2, personal_name VARCHAR2)

What are the addresses of the course authors or tutors with personal name 'Cathrine
SELECT address_line_1 FROM Course_Authors_and_Tutors WHERE personal_name = "Cathrine"
SELECT "address_line_1" FROM "Course_Authors_and_Tutors" WHERE "Cathrine" = "personal_name"