What is the constructor of the Swedish Grand Prix?
{'header': ['Rnd', 'Race', 'Date', 'Location', 'Pole Position', 'Fastest Lap', 'Race Winner', 'Constructor', 'Report'], 'page_title': '1978 Formula One season', 'section_title': 'Season review', 'caption': 'Season review', 'rows': [['1', 'Argentine Grand Prix', '15 January', 'Buenos Aires', 'Mario Andretti', 'Gilles Villeneuve', 'Mario Andretti', 'Lotus - Ford', 'Report'], ['2', 'Brazilian Grand Prix', '29 January', 'Jacarepaguá', 'Ronnie Peterson', 'Carlos Reutemann', 'Carlos Reutemann', 'Ferrari', 'Report'], ['3', 'South African Grand Prix', '4 March', 'Kyalami', 'Niki Lauda', 'Mario Andretti', 'Ronnie Peterson', 'Lotus - Ford', 'Report'], ['4', 'United States Grand Prix West', '2 April', 'Long Beach', 'Carlos Reutemann', 'Alan Jones', 'Carlos Reutemann', 'Ferrari', 'Report'], ['5', 'Monaco Grand Prix', '7 May', 'Monaco', 'Carlos Reutemann', 'Niki Lauda', 'Patrick Depailler', 'Tyrrell - Ford', 'Report'], ['6', 'Belgian Grand Prix', '21 May', 'Zolder', 'Mario Andretti', 'Ronnie Peterson', 'Mario Andretti', 'Lotus - Ford', 'Report'], ['7', 'Spanish Grand Prix', '4 June', 'Jarama', 'Mario Andretti', 'Mario Andretti', 'Mario Andretti', 'Lotus - Ford', 'Report'], ['8', 'Swedish Grand Prix', '17 June', 'Anderstorp', 'Mario Andretti', 'Niki Lauda', 'Niki Lauda', 'Brabham - Alfa Romeo', 'Report'], ['9', 'French Grand Prix', '2 July', 'Paul Ricard', 'John Watson', 'Carlos Reutemann', 'Mario Andretti', 'Lotus - Ford', 'Report'], ['10', 'British Grand Prix', '16 July', 'Brands Hatch', 'Ronnie Peterson', 'Niki Lauda', 'Carlos Reutemann', 'Ferrari', 'Report'], ['11', 'German Grand Prix', '30 July', 'Hockenheimring', 'Mario Andretti', 'Ronnie Peterson', 'Mario Andretti', 'Lotus - Ford', 'Report'], ['12', 'Austrian Grand Prix', '13 August', 'Österreichring', 'Ronnie Peterson', 'Ronnie Peterson', 'Ronnie Peterson', 'Lotus - Ford', 'Report'], ['13', 'Dutch Grand Prix', '27 August', 'Zandvoort', 'Mario Andretti', 'Niki Lauda', 'Mario Andretti', 'Lotus - Ford', 'Report'], ['14', 'Italian Grand Prix', '10 September', 'Monza', 'Mario Andretti', 'Mario Andretti', 'Niki Lauda', 'Brabham - Alfa Romeo', 'Report'], ['15', 'United States Grand Prix', '1 October', 'Watkins Glen', 'Mario Andretti', 'Jean-Pierre Jarier', 'Carlos Reutemann', 'Ferrari', 'Report']]}