Question: How many All-Star appearances did a Celtic's player who scored 18 points in the 2nd Quarter of the Game 7 Finals of the 1959-60 season have throughout his career?
Sentence (from "1959–60 St. Louis Hawks season"): Bob Pettit, Cliff Hagan, and Clyde Lovellette all averaged more than 20 points per game.
Relevant evidence: No