Table schema:
CREATE TABLE table_name_90 (date INTEGER, works_number VARCHAR, type VARCHAR, number VARCHAR)

Question: What date have highest 0-4-4 forney locomotive with number larger than 20 and works number larger than 23754?
SQL: SELECT MAX(date) FROM table_name_90 WHERE type = "0-4-4 forney locomotive" AND number > 20 AND works_number > 23754