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_19246_1 ( standard VARCHAR, launch_date__ddmmyyyy_ VARCHAR )

### Question ###
How many standards are there, when the launch date was 17.04.2006?

### Accurate SQL ###

SELECT COUNT(standard) FROM table_19246_1 WHERE launch_date__ddmmyyyy_ = "17.04.2006"