instruction: Number of questions with ViewCount > nviews.
response: WITH TaggedPosts AS (SELECT ViewCount FROM Posts WHERE PostTypeId = 1 AND Tags LIKE '%##tagSubstring?python##%'), MostViewedQuestions AS (SELECT Count = COUNT(*) FROM TaggedPosts WHERE ViewCount > '##nviews:int?10000##') SELECT Count, CAST(Count AS FLOAT(20, 5)) * 100.0 / (SELECT COUNT(*) FROM TaggedPosts) AS Percentile FROM MostViewedQuestions