CREATE TABLE table_name_65 (martyred INTEGER, canonised VARCHAR, beatified VARCHAR, name VARCHAR)
When was Laurent-Marie-Joseph Imbert / St. Imbert, who was beatified after 1909 and canonised after 1984, martyred?
SELECT MAX(martyred) FROM table_name_65 WHERE beatified > 1909 AND name = "laurent-marie-joseph imbert / st. imbert" AND canonised > 1984