CREATE TABLE table_203_679 (id DECIMAL, "part" TEXT, "number" TEXT, "first public release date  ( first edition ) " DECIMAL, "latest public release date  ( edition ) " DECIMAL, "latest amendment" TEXT, "title" TEXT, "description" TEXT)

which year had the least amount of parts published ?
SELECT "first public release date (first edition)" FROM table_203_679 GROUP BY "first public release date (first edition)" ORDER BY COUNT("part") LIMIT 1
SELECT "first public release date (first edition)" FROM "table_203_679" GROUP BY "first public release date (first edition)" ORDER BY COUNT("part") NULLS FIRST LIMIT 1