Aston Villa beat Lille 2-1 in the first leg of their Conference League quarter-final on Thursday to take a first step towards a first European semi-final since they won the Champions Cup in 1982. Ollie Watkins headed Villa ahead in the 13th at the far post, and captain John McGinn slotted into the bottom left corner for 2-0 in the 57th. Lille were denied several times by goalkeeper Emiliano Martinez, had a goal disallowed for offside but got an important late goal from Bafode Diakite’s 84th-minute header. Villa won under the eyes of Prince William and his son Prince George in what was the 1,00…