TASK DEFINITION: In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
PROBLEM: When launched in the American and European markets, stores sold out early.

SOLUTION: アメリカとヨーロッパの市場に投入されたとき、店はすぐに売り切れになった。

PROBLEM: A song released yesterday in support of the BBC is making an impact on several UK music charts.

SOLUTION: 昨日リリースされたBBCを支持する歌が、イギリスのいくつかの音楽チャートに影響を与えている。

PROBLEM: His defection stirred a firestorm of controversy locally in the staunchly left-leaning riding, which had elected a Progressive Conservative candidate exactly once since it's creation in 1953 - during the 1958 Diefenbaker landslide.

SOLUTION:
彼の変節は、1953年の創設からこれまで進歩保守党候補をたった1度だけ、1958年のディフェンベーカーの圧倒的勝利のときに当選させた堅固に左寄りな選挙区において、地域的に賛否両論の嵐を巻き起こした。