Table:
text: 1980 British Formula One season
Races
Races
Round Name_ Circuit Date_ Winning_driver Winning_car
1 International Gold Cup Oulton Park April 4 Guy Edwards Arrows A1
2 Evening News Trophy Brands Hatch April 7 Desiré Wilson Wolf WR4
3 International Trophy Silverstone April 20 Eliseo Salazar Williams FW07
4 Sun Trophy Mallory Park May 5 Emilio de Villota Williams FW07
5 Rivet Supply Trophy Thruxton May 26 Eliseo Salazar Williams FW07
6 Monza Lottery Grand Prix Monza June 29 Emilio de Villota Williams FW07
7 ATV Trophy Mallory Park July 27 Emilio de Villota Williams FW07
8 Anglia TV Trophy Snetterton August 10 Guy Edwards Arrows A1

text: 1980 British Formula One season
Races
Races
Round Name_ Circuit Date_ Winning_driver Winning_car
9 Pace Petroleum Trophy Brands Hatch August 25 Emilio de Villota Williams FW07
10 Radio Victory Trophy Thruxton September 7 Eliseo Salazar Williams FW07
11 Daily Express Formula 1 Trophy Oulton Park September 20 Jim Crawford Chevron B45
12 Pentax Trophy Silverstone October 5 Emilio de Villota Williams FW07

Question: On which circuit did the winner Eliseo Salazar drive the race called International Trophy in the 1980 British Formula 1 season?