When were the Spartans founded?
CREATE TABLE table_4006 (
    "Institution" text,
    "Location" text,
    "Founded" real,
    "Affiliation" text,
    "Enrollment" real,
    "Team Nickname" text,
    "Primary conference" text
)
SELECT MAX("Founded") FROM table_4006 WHERE "Team Nickname" = 'Spartans'
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: When were the Spartans founded? ### Input: CREATE TABLE table_4006 (
    "Institution" text,
    "Location" text,
    "Founded" real,
    "Affiliation" text,
    "Enrollment" real,
    "Team Nickname" text,
    "Primary conference" text
) ### Response: SELECT MAX("Founded") FROM table_4006 WHERE "Team Nickname" = 'Spartans'