Table:
text: 2007 British GT season
Calendar
Calendar
Round Circuit Date_ Length_ Pole_Position GT3_Winner GTC_Winner
6 Brands Hatch 14 July 60 mins Bradley Ellis Alex Mortimer Bradley Ellis Alex Mortimer David Ashburn Phil Keen
7 Brands Hatch 15 July 60 mins No. 23 Christians in Motorsport No. 6 Team RPM No. 55 ABG Motorsport
7 Brands Hatch 15 July 60 mins Hector Lester Allan Simonsen Bradley Ellis Alex Mortimer Colin Broster Peter Morris
8 Silverstone 12 August 120 mins No. 12 VRS Motor Finance No. 23 Christians in Motorsport No. 54 RSS Performance
8 Silverstone 12 August 120 mins Phil Burton Adam Wilcox Hector Lester Tim Mullen Graeme Mundy Jamie Smyth
9 Thruxton 25 August 60 mins No. 6 Team RPM No. 1 Barwell Motorsport No. 54 RSS Performance

text: 2007 British GT season
Calendar
Calendar
Round Circuit Date_ Length_ Pole_Position GT3_Winner GTC_Winner
9 Thruxton 25 August 60 mins Bradley Ellis Alex Mortimer Jonny Cocker Paul Drayson Graeme Mundy Jamie Smyth
10 Thruxton 26 August 60 mins No. 1 Barwell Motorsport No. 3 Barwell Motorsport No. 99 Beechdean Motorsport
10 Thruxton 26 August 60 mins Jonny Cocker Paul Drayson Ben de Zille Butler Guy Harrington Andrew Howard Aaron Scott
11 Croft 8 September 60 mins No. 22 Team Eurotech – Preci Spark No. 23 Christians in Motorsport No. 50 Team Aero Racing
11 Croft 8 September 60 mins David Jones Godfrey Jones Hector Lester Allan Simonsen Keith Ahlers Steve Hyde
12 Croft 9 September 60 mins No. 23 Christians in Motorsport No. 23 Christians in Motorsport No. 54 RSS Performance

text: 2007 British GT season
Calendar
Calendar
Round Circuit Date_ Length_ Pole_Position GT3_Winner GTC_Winner
12 Croft 9 September 60 mins Hector Lester Allan Simonsen Hector Lester Allan Simonsen Graeme Mundy Jamie Smyth
13 Rockingham 29 September 60 mins No. 21 Team Modena No. 6 Team RPM No. 99 Beechdean Motorsport
13 Rockingham 29 September 60 mins Adam Jones Jason Templeman Bradley Ellis Alex Mortimer Andrew Howard Aaron Scott
14 Rockingham 30 September 60 mins No. 23 Christians in Motorsport No. 6 Team RPM No. 99 Beechdean Motorsport

text: 2007 British GT season
Calendar
Calendar
Round Circuit Date_ Length_ Pole_Position GT3_Winner GTC_Winner
1 Oulton Park 7 April 60 mins No. 1 Barwell Motorsport No. 23 Christians in Motorsport No. 81 Team Tiger
1 Oulton Park 7 April 60 mins Jonny Cocker Paul Drayson Hector Lester Tim Mullen Chris Beighton Jon Finnemore
2 Oulton Park 9 April 60 mins No. 23 Christians in Motorsport No. 9 Tech 9 No. 81 Team Tiger
2 Oulton Park 9 April 60 mins Hector Lester Tim Mullen Oliver Bryant Matt Harris Chris Beighton Jon Finnemore
3 Donington Park 21 April 60 mins No. 6 Team RPM No. 3 Barwell Motorsport No. 99 Beechdean Motorsport

Question: What is all the dates for GTC winners Graeme Mundy, Jamie Smyth and GT3 winners Hector Lester Tim Mullen in the 2007 British GT season?