Table: f1_race_results
Columns: race_name
circuit
date
winning_driver
constructor
report

Question: What is the name of the circuit in which the race name is ii danish grand prix?
SQL: SELECT "circuit" FROM f1_race_results WHERE "race_name" = 'II Danish Grand Prix'

Question: What is te name of the constructors dated 26 march?
SQL: SELECT "constructor" FROM f1_race_results WHERE "date" = '26 March'

Question: What is the total amount of circuts dated 22 april?
SQL: SELECT COUNT("circuit") FROM f1_race_results WHERE "date" = '22 April'

Question: what is the name of the constructor that has the circuit zeltweg airfield?
SQL: SELECT "constructor" FROM f1_race_results WHERE "circuit" = 'Zeltweg Airfield'

Question: What is the name of the winning driver where the circuit name is posillipo?
SQL: SELECT "winning_driver" FROM f1_race_results WHERE "circuit" = 'Posillipo'

Question: What is the name of the circuit where the race xi Syracuse grand prix was held?
SQL: SELECT "circuit" FROM f1_race_results WHERE "race_name" = 'XI Syracuse Grand Prix'