In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

三人目の身元不明のトラック運転手はメソジスト・ダラス・医療センターで治療を受け、退院した。
The third, an unidentified truck-driver, was treated and released at Methodist Dallas Medical Center.

3億人の喫煙者という、世界で3番目の喫煙人口を持つ中国は、世界一大きな煙草市場である。
China, with a third of the world's smoking population at 300 million smokers, is the largest cigarette market in the world.

書類は国家安全証明書と呼ばれ、めったに使われない。

This document is called the national security certificate and is rarely used.