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_60638 ( "Order Year" text, "Builder" text, "Model" text, "Length (ft.)" text, "Engine/Transmission" text )

### Question ###
What is the order year of obi builder and 05.505 model that is 30 feet long?

### Accurate SQL ###

SELECT "Order Year" FROM table_60638 WHERE "Builder" = 'obi' AND "Length (ft.)" = '30' AND "Model" = '05.505'