He set 2020 as the earliest date at which its effects could be felt .
David Sheepshanks , who has overseen the project , gave a categorical affirmative when asked if the complex could help England win the World Cup .
David Sheepshanks set 2020 as the earliest date at which its effects could be felt .
David Sheepshanks , who has overseen the project , gave a categorical affirmative when asked if the complex could help England win the World Cup .