Table: british_gt_race_results_2
Columns: round
circuit
date
length
pole_position
gt3_winner
gt4_winner

Question: When  david ashburn richard westbrook is the gt3 winner and 1 is the round what is the length?
SQL: SELECT "length" FROM british_gt_race_results_2 WHERE "round" = 1 AND "gt3_winner" = 'David Ashburn Richard Westbrook'

Question: When charles bateman michael lyons is the gt3 winner and donington park is the circuit who is the gt4 winner?
SQL: SELECT "gt4_winner" FROM british_gt_race_results_2 WHERE "circuit" = 'Donington Park' AND "gt3_winner" = 'Charles Bateman Michael Lyons'

Question: When charles bateman michael lyons is the gt3 winner and 9 is the round who is the gt4 winner?
SQL: SELECT "gt4_winner" FROM british_gt_race_results_2 WHERE "round" = 9 AND "gt3_winner" = 'Charles Bateman Michael Lyons'

Question: When  tim bridgman gregor fisken is the pole position who is the gt3 winner?
SQL: SELECT "gt3_winner" FROM british_gt_race_results_2 WHERE "pole_position" = 'Tim Bridgman Gregor Fisken'