page 54:
INSERT INTO Pictures (MinutesIntoGame, Comment, ParentRelation) VALUES
('0:12:15', 'And he scores!, <OID value from Polka Game>);
should be
INSERT INTO Pictures (MinutesIntoGame, Comment, ParentRelation) VALUES
('0:12:15', 'And he scores!', <OID value from Polka Game>);
(missing a ' after scores!)