user: Question: How many episodes have Valerie?
Columns: ['Season', 'Episode', 'Episode Summary', 'Premier date', 'External Link', 'Coach']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [7.0, 1.0, 'Yazmin is made into a boxer .', 'May 25, 2006', 'Episode Summary', 'Cristy Terhman']
SQL:

assistant: SELECT COUNT("Episode Summary") FROM "Table" WHERE "Coach" = 'Valerie';