What are the different pilot names who had piloted a flight in the country 'United States' or in the airport named 'Billund Airport'?
CREATE TABLE airport (
    id VARCHAR,
    country VARCHAR,
    name VARCHAR
)

CREATE TABLE flight (
    pilot VARCHAR,
    airport_id VARCHAR
)
SELECT DISTINCT T2.pilot FROM airport AS T1 JOIN flight AS T2 ON T1.id = T2.airport_id WHERE T1.country = 'United States' OR T1.name = 'Billund Airport'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What are the different pilot names who had piloted a flight in the country 'United States' or in the airport named 'Billund Airport'? ### Input: CREATE TABLE airport (
    id VARCHAR,
    country VARCHAR,
    name VARCHAR
)

CREATE TABLE flight (
    pilot VARCHAR,
    airport_id VARCHAR
) ### Response: SELECT DISTINCT T2.pilot FROM airport AS T1 JOIN flight AS T2 ON T1.id = T2.airport_id WHERE T1.country = 'United States' OR T1.name = 'Billund Airport'