Q&A for students, teachers, and linguists wanting to discuss the finer points of the Russian language
-- *BONUS* For the questions created in 2017, what was the average time (in seconds) between when the question was created and when the accepted answer was provided?
;with questions_answered as (
year(creationdate) is not null
and Acceptedanswerid is not null
qa.CreationDate as 'Question_date',
p.Creationdate as 'Answer_date'
questions_answered qa on qa.id = p.AcceptedAnswerid