When was the order with the tracking number 3452 placed? | Did you want the order id of the order with shipment tracking number 3452? | Okay, tell me the order ID of that tracking number.
SELECT T1.order_id FROM orders AS T1 JOIN shipments AS T2 ON T1.order_id  =  T2.order_id WHERE T2.shipment_tracking_number  =  3452
order with the tracking number 3452 refers to T2.shipment_tracking_number = 3452; order ID refers to T1.order_id; joining orders and shipments tables on order_id to find related information.