Friend Suggestions

Suggest accounts for user 1: accounts followed by people user 1 follows, excluding user 1 and anyone user 1 already follows. Return the suggested user and the number of followed people who follow them, ordered by that count descending then id.

Table schema

Follows(follower INT, followee INT)

Sample data

follower | followee
1 | 2
1 | 3
2 | 4
3 | 4
3 | 5
2 | 1