CREATE TABLE table_name_40 (notes VARCHAR2, network VARCHAR2, year VARCHAR2, language VARCHAR2)

What are the notes for the Mandarin Chinese program on CTV earlier than 2013?
SELECT notes FROM table_name_40 WHERE year < 2013 AND language = "mandarin chinese" AND network = "ctv"
SELECT "notes" FROM "table_name_40" WHERE "ctv" = "network" AND "language" = "mandarin chinese" AND "year" < 2013