CREATE TABLE table_name_69 (pleasure VARCHAR(255), psychological_dependence VARCHAR(255), drug VARCHAR(255))
What is the total number of Pleasure(s), when Psychological Dependence is greater than 1.9, and when Drug is "Benzodiazepines"?
    
SQL: SELECT COUNT(pleasure) FROM table_name_69 WHERE psychological_dependence > 1.9 AND drug = "benzodiazepines"