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_29391888_1 ( production_code VARCHAR, original_air_date VARCHAR )

### Question ###
What is the production code for the episode whose original air date was May15,2000?

### Accurate SQL ###

SELECT production_code FROM table_29391888_1 WHERE original_air_date = "May15,2000"