Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_19188562_2 (tv_season VARCHAR, rating__adults_18_49_ VARCHAR)

### Question ###
How many tv series had an adult rating of 1.2?

### Accurate SQL ###

SELECT COUNT(tv_season) FROM table_19188562_2 WHERE rating__adults_18_49_ = "1.2"