Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rnd | Circuit | GTO Winning Team | GTU Winning Team | TO Winning Team | TU Winning Team | Results |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Virginia | #57 Corvette | #59 Brumos Porsche - Audi | #21 Javelin | #71 Opel | Results |
| 1.0 | Virginia | Dave Heinz | Peter Gregg Hurley Haywood | Robert Hennig Richard Staples | Amos Johnson Roger Mandeville Bunny Diggett | Results |
| 2.0 | Alabama | #57 Corvette | #59 Brumos Porsche - Audi | #21 Javelin | #21 Mini | Results |
| 2.0 | Alabama | Dave Heinz | Peter Gregg Hurley Haywood | Robert Hennig | Joe Richardson | Results |
| 3.0 | Charlotte | #57 Corvette | #59 Brumos Porsche - Audi | #21 Javelin | #64 Mini | Results |
| 3.0 | Charlotte | Dave Heinz Or Costanzo | Peter Gregg Hurley Haywood | Robert Hennig Bob Beasley | Anthony Milne Richard Stevens | Results |
| 4.0 | Bridgehampton | #18 Es-Pa Racing | #59 Brumos Porsche - Audi | #84 Camaro | #85 Alfa Romeo | Results |
| 4.0 | Bridgehampton | Rodney Harris John Paul Sr. | Peter Gregg Hurley Haywood | George Lisberg Ray Cuomo | Walt Simendinger Bob Heiberg | Results |
| 5.0 | Summit Point | #49 Mustang | #59 Brumos Porsche - Audi | #42 Camaro | #93 Jerry Walsh | Results |
| 5.0 | Summit Point | Lee McDonald Albert Pentrillo | Peter Gregg Hurley Haywood | Steve Ross | Jerry Walsh Lee Wiese | Results |
| 6.0 | Daytona | #57 Corvette | #34 911 | #3 Camaro | #11 2002 | Results |
Question:
Who was the TO winning team when the TU winning team was Joe Richardson? 
Answer:
Robert Hennig