Task: Explanation
Input (English): John Russell's Regiment of Guards (later called the King's Royal Regiment of Guards) was an English infantry regiment formed following the Restoration of King Charles II to the throne in 1660. Question: when did the king whom John Russell's Regiment of Guards formed following the restoration of born? Answer: 29 May 1630
Output (English): John Russells Regiment of Guards later called the Kings Royal Regiment of Guards was an English infantry regiment formed following the Restoration of King Charles II to the throne in 1660.