In the Endangered Wildlife Series from the Royal Canadian Mint numismatic coins printed in the 2000s, what theme had a mintage of 700?
CREATE TABLE table_53723 (
    "Year" real,
    "Theme" text,
    "Face Values" text,
    "Artist" text,
    "Issue Price" text,
    "Mintage" real,
    "Finish" text
)
SELECT "Theme" FROM table_53723 WHERE "Mintage" = '700'
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: In the Endangered Wildlife Series from the Royal Canadian Mint numismatic coins printed in the 2000s, what theme had a mintage of 700? ### Input: CREATE TABLE table_53723 (
    "Year" real,
    "Theme" text,
    "Face Values" text,
    "Artist" text,
    "Issue Price" text,
    "Mintage" real,
    "Finish" text
) ### Response: SELECT "Theme" FROM table_53723 WHERE "Mintage" = '700'