Question: Puyo Puyo Fever 2, is a video game developed by Sonic Team and published by Sega, it was released as a sequel to the previous title, "Puyo Pop Fever", a puzzle video game, and is which number main installment in the "Puyo Puyo" puzzle game series?
Sentence (from "Puyo Puyo Fever 2"): The game was released as a sequel to the previous title, "Puyo Pop Fever".
Relevant evidence: Yes