When was Laurent-Marie-Joseph Imbert / St. Imbert, who was beatified after 1909 and canonised after 1984, martyred?
CREATE TABLE "saints" (
  "name" text,
  "martyred" real,
  "place" text,
  "beatified" real,
  "canonised" real
);
SELECT MAX("martyred") FROM "saints" WHERE "beatified">1909 AND "name"='laurent-marie-joseph imbert / st. imbert' AND "canonised">1984;