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_name_40 (commissioned VARCHAR, launched VARCHAR, pennant_number VARCHAR)

### Question ###
Which commission was launched 28 june 1934, and has a Pennant number of h.78?

### Accurate SQL ###

SELECT commissioned FROM table_name_40 WHERE launched = "28 june 1934" AND pennant_number = "h.78"