Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the total number of Pleasure(s), when Psychological Dependence is greater than 1.9, and when Drug is "Benzodiazepines"?

### Inputs:
table_name: table, columns: ['Drug', 'Mean', 'Pleasure', 'Psychological dependence', 'Physical dependence']

### Response:
SELECT COUNT Pleasure FROM table WHERE Psychological dependence > 1.9 AND Drug = benzodiazepines