Table schema:
CREATE TABLE table_name_91 (psychological_dependence VARCHAR, pleasure VARCHAR, mean VARCHAR)

Question: What is the total number of Psychological Dependence, when Pleasure is "2.3", and when Mean is less than 1.9300000000000002?
SQL: SELECT COUNT(psychological_dependence) FROM table_name_91 WHERE pleasure = 2.3 AND mean < 1.9300000000000002