What was the name of the project that peaked at 40 and was in the USA?
CREATE TABLE table_5931 (
    "Country" text,
    "Project Name" text,
    "Year startup" text,
    "Operator" text,
    "Peak" text
)
SELECT "Project Name" FROM table_5931 WHERE "Peak" = '40' AND "Country" = 'usa'
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 was the name of the project that peaked at 40 and was in the USA? ### Input: CREATE TABLE table_5931 (
    "Country" text,
    "Project Name" text,
    "Year startup" text,
    "Operator" text,
    "Peak" text
) ### Response: SELECT "Project Name" FROM table_5931 WHERE "Peak" = '40' AND "Country" = 'usa'