Does not count self-answers.
Shows users with at least @MinAnswers answers.
Q&A about the site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
SELECT TOP 100
u.Id AS [User Link]
FROM Posts a
INNER JOIN Users u ON u.Id = a.OwnerUserId
INNER JOIN Posts q ON a.ParentId = q.Id
(q.OwnerUserId <> u.Id OR q.OwnerUserId IS NULL) --no self answers
GROUP BY u.Id
HAVING count(*) > 20
ORDER BY [User Link]