Table schema:
CREATE TABLE Courses (course_name VARCHAR, course_description VARCHAR, subject_id VARCHAR); CREATE TABLE Subjects (subject_id VARCHAR, subject_name VARCHAR)

Question: Find the names and descriptions of courses that belong to the subject named "Computer Science".
SQL: SELECT T1.course_name, T1.course_description FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id WHERE T2.subject_name = "Computer Science"