What is Visitor, when Home is Philadelphia, and when Date is November 18?
CREATE TABLE table_47647 (
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Decision" text,
    "Attendance" real,
    "Record" text,
    "Points" real
)
SELECT "Visitor" FROM table_47647 WHERE "Home" = 'philadelphia' AND "Date" = 'november 18'
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 Visitor, when Home is Philadelphia, and when Date is November 18? ### Input: CREATE TABLE table_47647 (
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Decision" text,
    "Attendance" real,
    "Record" text,
    "Points" real
) ### Response: SELECT "Visitor" FROM table_47647 WHERE "Home" = 'philadelphia' AND "Date" = 'november 18'