Question:
Which position did John Manners, 2nd Duke of Rutland hold in Jan, 1719?

Context:
 John Manners, 2nd Duke of Rutland holds the position of Lord Lieutenant of Leicestershire from Dec, 1714 to Feb, 1721. 
 John Manners, 2nd Duke of Rutland holds the position of Member of the 3rd Parliament of Great Britain from Jan, 1710 to Jan, 1711. 
 John Manners, 2nd Duke of Rutland holds the position of Member of the 1701-02 Parliament from Jan, 1701 to Jan, 1702. 
 John Manners, 2nd Duke of Rutland holds the position of Member of the 1705-07 Parliament from Jan, 1705 to Jan, 1707.

Answer:
Lord Lieutenant of Leicestershire