Which key ring belongs to the blue car outside?

How to say “Which key ring belongs to the blue car outside?” in Japanese

In Japanese

外(そと)に停(と)まってる青(あお)い車(くるま)のキーリングって、どれ?

Soto ni tomatteru aoi kuruma no kī ringu tte, dore?

Which key ring belongs to the blue car outside? in other languages