How many episodes have Valerie?
CREATE TABLE table_2140071_7 (episode VARCHAR, coach VARCHAR)
SELECT COUNT(episode) AS Summary FROM table_2140071_7 WHERE coach = "Valerie"
### Context: CREATE TABLE table_2140071_7 (episode VARCHAR, coach VARCHAR) ### Question: How many episodes have Valerie? ### Answer: SELECT COUNT(episode) AS Summary FROM table_2140071_7 WHERE coach = "Valerie"