user: Question: What's the total number of songs originally performed by Anna Nalick?
Columns: ['Episode', 'Song choice', 'Original artist', 'Order #', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Audition', '"Sweet Talker"', 'Carly Rae Jepsen', 'N/A', 'Advanced']
SQL:

assistant: SELECT COUNT("Song choice") FROM "Table" WHERE "Original artist" = 'Anna Nalick';