How many constructor are listed the XVI BRDC international trophy race
# Race Name Circuit Date Winning driver Constructor Report
1963 Formula One season
real text text text text text text
1-1140103-6
Non-Championship race results
Non-Championship race results
1 IV Lombank Trophy Snetterton 30 March Graham Hill BRM Report
2 XXIII Pau Grand Prix Pau 15 April Jim Clark Lotus - Climax Report
3 XI Glover Trophy Goodwood 15 April Innes Ireland Lotus - BRM Report
4 IV Gran Premio Citta di Imola Imola 21 April Jim Clark Lotus - Climax Report
5 XIV Gran Premio di Siracusa Syracuse 25 April Jo Siffert Lotus - BRM Report
6 XIX BARC Aintree 200 Aintree 27 April Graham Hill BRM Report
7 XVI BRDC International Trophy Silverstone 11 May Jim Clark Lotus - Climax Report
8 XV Gran Premio di Roma Vallelunga 19 May Bob Anderson Lola - Climax Report
9 III Solituderennen Solitudering 28 July Jack Brabham Brabham - Climax Report
10 XII Kanonloppet Karlskoga 11 August Jim Clark Lotus - Climax Report
11 III Mediterranean Grand Prix Enna Pergusa 18 August John Surtees Ferrari Report
12 I Austrian Grand Prix Zeltweg 1 September Jack Brabham Brabham - Climax Report
13 X International Gold Cup Oulton Park 21 September Jim Clark Lotus - Climax Report
table_1140103_6
SELECT COUNT Constructor FROM table WHERE Race Name = XVI BRDC International Trophy
XVI BRDC International Trophy