Questions older than a year that you can mark for deletion by simply downvoting them. The rules are detailed here: http://meta.stackoverflow.com/a/92006. The view count rules are relaxed to 2x the question age because those might fail to keep up a steady stream of views at some point in the future.
Q&A about the site for gardeners and landscapers
DECLARE @DataDumpDate AS datetime SELECT @DataDumpDate = MAX(CreationDate) FROM PostHistory SELECT Score, Id AS [Post Link], CASE WHEN ClosedDate IS NOT NULL THEN 'Yes' ELSE NULL END AS Closed, CASE WHEN CommunityOwnedDate IS NOT NULL THEN 'Yes' ELSE NULL END AS Wiki, OwnerUserId AS [User Link] FROM Posts WHERE PostTypeId = 1 AND (Score = 1 OR (Score = 2 AND OwnerUserId IS NULL)) AND (AnswerCount = 0 OR AnswerCount IS NULL) AND (CommentCount IS NULL OR CommentCount <= 1) AND DATEDIFF(day, CreationDate, @DataDumpDate) > 365 AND ViewCount <= (DATEDIFF(day, CreationDate, @DataDumpDate) * 2) -- * 1.5) ORDER BY Score ASC, CreationDate ASC