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_7090 ( "Episode" real, "Title" text, "Story" text, "Adapted by" text, "Director" text, "Airdate" text, "Exists?" text )

### Question ###
What is the Adapted by when there is a yes for exists is yes, for episode 101?

### Accurate SQL ###

SELECT "Adapted by" FROM table_7090 WHERE "Exists?" = 'yes' AND "Episode" = '101'