Table: bahrain_2008_race
Columns: driver
constructor
laps
time_retired
grid

Question: What was the grid of Jenson Button?
SQL: SELECT "grid" FROM bahrain_2008_race WHERE "driver" = 'jenson button'

Question: Who was the constructor of the car that went 56 laps and had a grid of 15?
SQL: SELECT "constructor" FROM bahrain_2008_race WHERE "laps" = '56' AND "grid" = '15'

Question: Who was the contstructor of the car having a grid of 20?
SQL: SELECT "constructor" FROM bahrain_2008_race WHERE "grid" = '20'

Question: What was the time of the car having a constructor of Renault, which went 40 laps?
SQL: SELECT "time_retired" FROM bahrain_2008_race WHERE "constructor" = 'renault' AND "laps" = '40'

Question: Who constructed the car that had a grid of 6?
SQL: SELECT "constructor" FROM bahrain_2008_race WHERE "grid" = '6'