What is the nationality of the draft pick player who plays centre position and is going to Calgary Flames?
CREATE TABLE table_74345 (
    "Pick #" real,
    "Player" text,
    "Position" text,
    "Nationality" text,
    "NHL team" text,
    "College/junior/club team" text
)
SELECT "Nationality" FROM table_74345 WHERE "Position" = 'Centre' AND "NHL team" = 'Calgary Flames'
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 is the nationality of the draft pick player who plays centre position and is going to Calgary Flames? ### Input: CREATE TABLE table_74345 (
    "Pick #" real,
    "Player" text,
    "Position" text,
    "Nationality" text,
    "NHL team" text,
    "College/junior/club team" text
) ### Response: SELECT "Nationality" FROM table_74345 WHERE "Position" = 'Centre' AND "NHL team" = 'Calgary Flames'