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_28003469_1 ( event_date VARCHAR, event_day VARCHAR, starting_time VARCHAR )

### Question ###
What is every event date on Sunday with a starting time of 9:30 am?

### Accurate SQL ###

SELECT event_date FROM table_28003469_1 WHERE event_day = "Sunday" AND starting_time = "9:30 am"