what is total number of points where the stage is 17?
{'header': ['Stage', 'Winner', 'General classification', 'Points classification', 'Mountains classification', 'Intergiro classification', 'Trofeo Fast Team'], 'page_title': "1997 Giro d'Italia", 'section_title': 'Classification leadership', 'caption': 'Classification leadership by stage', 'rows': [['1', 'Mario Cipollini', 'Mario Cipollini', 'Mario Cipollini', 'not awarded', 'Dimitri Konyshev', 'Saeco'], ['2', 'Mario Cipollini', 'Mario Cipollini', 'Mario Cipollini', 'not awarded', 'Dimitri Konyshev', 'Saeco'], ['3', 'Pavel Tonkov', 'Pavel Tonkov', 'Mario Cipollini', 'Pavel Tonkov', 'Dimitri Konyshev', 'Mapei-GB'], ['4', 'Mario Cipollini', 'Pavel Tonkov', 'Mario Cipollini', 'Pavel Tonkov', 'Dimitri Konyshev', 'Mapei-GB'], ['5', 'Pavel Tonkov', 'Pavel Tonkov', 'Mario Cipollini', 'Pavel Tonkov', 'Dimitri Konyshev', 'Saeco'], ['6', 'Roberto Sgambelluri', 'Pavel Tonkov', 'Mario Cipollini', 'Pavel Tonkov', 'Dimitri Konyshev', 'Saeco'], ['7', 'Marcel Wüst', 'Pavel Tonkov', 'Mario Cipollini', 'Pavel Tonkov', 'Dimitri Konyshev', 'Saeco'], ['8', 'Mario Manzoni', 'Pavel Tonkov', 'Mario Cipollini', 'Mariano Piccoli', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['9', 'Dimitri Konyshev', 'Pavel Tonkov', 'Mario Cipollini', 'Mariano Piccoli', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['10', 'Mario Cipollini', 'Pavel Tonkov', 'Mario Cipollini', 'Mariano Piccoli', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['11', 'Gabriele Missaglia', 'Pavel Tonkov', 'Mario Cipollini', 'Mariano Piccoli', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['12', 'Giuseppe Di Grande', 'Pavel Tonkov', 'Mario Cipollini', 'Mariano Piccoli', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['13', 'Glenn Magnusson', 'Pavel Tonkov', 'Mario Cipollini', 'Mariano Piccoli', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['14', 'Ivan Gotti', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Team Polti'], ['15', 'Alessandro Baronti', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['16', 'Fabiano Fontanelli', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Asics-C.G.A.'], ['17', 'Mirco Gualdi', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Team Polti'], ['18', 'Serhij Hončar', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Team Polti'], ['19', 'José Luis Rubiera', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Kelme-Costa Blanca'], ['20', 'José Jaime González', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Kelme-Costa Blanca'], ['21', 'Pavel Tonkov', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Kelme-Costa Blanca'], ['22', 'Mario Cipollini', 'Ivan Gotti', 'Mario Cipollini', 'José Jaime González', 'Dimitri Konyshev', 'Kelme-Costa Blanca']]}