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_25246990_2 (us_viewers__millions_ VARCHAR, written_by VARCHAR, no_in_series VARCHAR)

### Question ###
How many U.S. viewers in millions watched the number 7 episode in the series that was written by Jed Spingarn?

### Accurate SQL ###

SELECT us_viewers__millions_ FROM table_25246990_2 WHERE written_by = "Jed Spingarn" AND no_in_series = "7"