human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Date, Episode, Official rating 4+, Share 4+, Official rating 16-39, Share 16-39
###Question: what is the official rating 16-39 for the episode with  a 16-39 share of 22,77%?
gpt
SELECT Official rating 16-39 FROM table WHERE Share 16-39 = 22,77%