TABLE rows.file.link AS "Notes", length(rows) AS "Count"
FROM "50-Zettel"
FLATTEN (up[0]) AS Topic
GROUP BY Topic AS "Topic / MOC"
SORT length(rows) DESC

TABLE up AS "MOC", file.mtime AS "Modified"
FROM "50-Zettel"
SORT file.mtime DESC
LIMIT 15

LIST
FROM "50-Zettel"
WHERE !up OR length(up) = 0