which nation came in last in the 2007 worlds qualification tournament ?
CREATE TABLE table_203_586 (
    id number,
    "#" number,
    "nation" text,
    "qualification tournament" text,
    "place in qt" number,
    "sailor" text
)
SELECT "nation" FROM table_203_586 WHERE "qualification tournament" = '2007 worlds' ORDER BY "place in qt" DESC LIMIT 1
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: which nation came in last in the 2007 worlds qualification tournament ? ### Input: CREATE TABLE table_203_586 (
    id number,
    "#" number,
    "nation" text,
    "qualification tournament" text,
    "place in qt" number,
    "sailor" text
) ### Response: SELECT "nation" FROM table_203_586 WHERE "qualification tournament" = '2007 worlds' ORDER BY "place in qt" DESC LIMIT 1