how many times is hesketh-ford listed as the constructor?
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col : pos | no | driver | constructor | laps | time/retired | grid row 1 : 1 | 12 | clay regazzoni | ferrari | 60 | 1:01:25.34 | 3 row 2 : 2 | 4 | patrick depailler | tyrrell-ford | 60 | + 0:08.35 | 5 row 3 : 3 | 2 | jochen mass | mclaren-ford | 60 | + 0:15.44 | 4 row 4 : 4 | 5 | ronnie peterson | lotus-ford | 60 | + 0:40.14 | 10 row 5 : 5 | 18 | john watson | surtees-ford | 60 | + 0:45.55 | 6 row 6 : 6 | 8 | carlos pace | brabham-ford | 60 | + 0:45.90 | 7 row 7 : 7 | 16 | tom pryce | shadow-ford | 60 | + 0:46.66 | 8 row 8 : 8 | 24 | james hunt | hesketh-ford | 59 | + 1 lap | 11 row 9 : 9 | 31 | chris amon | ensign-ford | 59 | + 1 lap | 9 row 10 : 10 | 21 | jacques laffite | williams-ford | 59 | + 1 lap | 13 row 11 : 11 | 9 | vittorio brambilla | march-ford | 58 | + 2 laps | 12 row 12 : 12 | 22 | rolf stommelen | hill-ford | 58 | + 2 laps | 14 row 13 : 13 | 35 | tony trimmer | maki-ford | 54 | + 6 laps | 16 row 14 : nc | 20 | jo vonlanthen | williams-ford | 51 | + 9 laps | 15 row 15 : ret | 17 | jean-pierre jarier | shadow-ford | 33 | transmission | 1 row 16 : ret | 1 | emerson fittipaldi | mclaren-ford | 6 | clutch | 2
how many times is hesketh-ford listed as the constructor?
Pos No Driver Constructor Laps Time/Retired Grid
1 12 Clay Regazzoni Ferrari 60 1:01:25.34 3
2 4 Patrick Depailler Tyrrell-Ford 60 + 0:08.35 5
3 2 Jochen Mass McLaren-Ford 60 + 0:15.44 4
4 5 Ronnie Peterson Lotus-Ford 60 + 0:40.14 10
5 18 John Watson Surtees-Ford 60 + 0:45.55 6
6 8 Carlos Pace Brabham-Ford 60 + 0:45.90 7
7 16 Tom Pryce Shadow-Ford 60 + 0:46.66 8
8 24 James Hunt Hesketh-Ford 59 + 1 Lap 11
9 31 Chris Amon Ensign-Ford 59 + 1 Lap 9
10 21 Jacques Laffite Williams-Ford 59 + 1 Lap 13
11 9 Vittorio Brambilla March-Ford 58 + 2 Laps 12
12 22 Rolf Stommelen Hill-Ford 58 + 2 Laps 14
13 35 Tony Trimmer Maki-Ford 54 + 6 Laps 16
NC 20 Jo Vonlanthen Williams-Ford 51 + 9 Laps 15
Ret 17 Jean-Pierre Jarier Shadow-Ford 33 Transmission 1
Ret 1 Emerson Fittipaldi McLaren-Ford 6 Clutch 2
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