user: Question: What are the notes for the Mandarin Chinese program on CTV earlier than 2013?
Columns: ['Year', 'Network', 'Title', 'Notes', 'Language']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'SBS', 'Star King', 'Guest', 'Korean']
SQL:

assistant: SELECT "Notes" FROM "Table" WHERE "Year" < 2013.0 AND "Language" = 'Mandarin Chinese' AND "Network" = 'CTV';