What nationality is listed when the college/junior/club team is oshawa generals (ohl)?
CREATE TABLE table_30578 (
    "Pick #" real,
    "Player" text,
    "Position" text,
    "Nationality" text,
    "NHL team" text,
    "College/junior/club team" text
)
SELECT "Nationality" FROM table_30578 WHERE "College/junior/club team" = 'Oshawa Generals (OHL)'
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 nationality is listed when the college/junior/club team is oshawa generals (ohl)? ### Input: CREATE TABLE table_30578 (
    "Pick #" real,
    "Player" text,
    "Position" text,
    "Nationality" text,
    "NHL team" text,
    "College/junior/club team" text
) ### Response: SELECT "Nationality" FROM table_30578 WHERE "College/junior/club team" = 'Oshawa Generals (OHL)'