Task: Explanation
Input (English): Charles II (29 May 1630 – 6 February 1685) was king of England, Scotland and Ireland. He was king of Scotland from 1649 until his deposition in 1651, and king of England, Scotland and Ireland from the restoration of the monarchy in 1660 until his death. Question: when did the king whom John Russell's Regiment of Guards formed following the restoration of born? Answer: 29 May 1630
Output (English): Charles II 29 May 1630 – 6 February 1685 was king of England, Scotland and Ireland.