Table:
text: 1973 USAC Championship Car season
Schedule and results
Schedule and results
Rnd Date_ Race_Name Length_ Track Location_ Pole_Position Winning_Driver
6 July 1 Schaefer 500 mi (km) Pocono International Raceway Long Pond , Pennsylvania Peter Revson A. J. Foyt
7 July 15 Michigan 200 mi (km) Michigan International Speedway Brooklyn , Michigan Bobby Unser Roger McCluskey
8 August 12 Tony Bettenhausen 200 mi (km) Wisconsin State Fair Park Speedway West Allis , Wisconsin Wally Dallenbach Wally Dallenbach
9 August 26 California 500 Qualification Heat 1 mi (km) Ontario Motor Speedway Ontario , California Gordon Johncock Wally Dallenbach
10 August 26 California 500 Qualification Heat 2 mi (km) Ontario Motor Speedway Ontario , California Johnny Rutherford Johnny Rutherford
11 September 2 California 500 mi (km) Ontario Motor Speedway Ontario , California Peter Revson Wally Dallenbach

text: 1973 USAC Championship Car season
Schedule and results
Schedule and results
Rnd Date_ Race_Name Length_ Track Location_ Pole_Position Winning_Driver
12 September 16 Michigan Twin 125s #1 mi (km) Michigan International Speedway Brooklyn , Michigan Gordon Johncock Bill Vukovich II
13 September 16 Michigan Twin 125s #2 mi (km) Michigan International Speedway Brooklyn , Michigan Gary Bettenhausen Johnny Rutherford
14 September 23 Trenton 200 mi (km) Trenton International Speedway Trenton , New Jersey Gordon Johncock Gordon Johncock
15 October 6 Texas 200 mi (km) Texas World Speedway College Station , Texas Mario Andretti Gary Bettenhausen

text: 1973 USAC Championship Car season
Schedule and results
Schedule and results
Rnd Date_ Race_Name Length_ Track Location_ Pole_Position Winning_Driver
1 April 7 Texas 200 mi (km) Texas World Speedway College Station , Texas Bobby Unser Al Unser
2 April 15 Trentonian 300 Heat 1 mi (km) Trenton International Speedway Trenton , New Jersey Gordon Johncock A. J. Foyt
3 April 15 Trentonian 300 Heat 2 mi (km) Trenton International Speedway Trenton , New Jersey A. J. Foyt Mario Andretti
4 May 30 International 500 Mile Sweepstakes mi (km) Indianapolis Motor Speedway Speedway , Indiana Johnny Rutherford Gordon Johncock
5 June 10 Rex Mays Classic mi (km) Wisconsin State Fair Park Speedway West Allis , Wisconsin Bobby Unser Bobby Unser

Question: What is the RND total if the location is Brooklyn, Michigan and the pole position is Bobby Unser in the 1973 USAC Championship Car season?