Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_21109892_1 (value_world_rank VARCHAR, production__mt_ VARCHAR)
### Question:
When the production (mt) is 446424, what is the value world rank ?
### Answer:
SELECT value_world_rank FROM table_21109892_1 WHERE production__mt_ = 446424