TASK DEFINITION: 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).
PROBLEM: １９６７年から１９６８年にかけて、シド・バレットはピンク・フロイドの主要なメンバーでありソングライターであるとみなされていた。

SOLUTION: During 1967-1968, Syd Barrett was considered to be the main member and songwriter of Pink Floyd.

PROBLEM: オーナーのQ氏は爆発で死亡した。

SOLUTION: The owner himself, Mr. Qu, was killed in the blast.

PROBLEM: 「つねに他人のために戦ってきた偉大な男だ」と彼は付け加える。

SOLUTION:
"A great man, who always fought for the good of the others," he adds.