What's the total of Water (sqmi) with a Land (sqmi) of 35.918 and has a Longitude that is smaller than -97.115459?
CREATE TABLE table_name_68 (
    water__sqmi_ INTEGER,
    land___sqmi__ VARCHAR,
    longitude VARCHAR
)
SELECT SUM(water__sqmi_) FROM table_name_68 WHERE land___sqmi__ = 35.918 AND longitude < -97.115459
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's the total of Water (sqmi) with a Land (sqmi) of 35.918 and has a Longitude that is smaller than -97.115459? ### Input: CREATE TABLE table_name_68 (
    water__sqmi_ INTEGER,
    land___sqmi__ VARCHAR,
    longitude VARCHAR
) ### Response: SELECT SUM(water__sqmi_) FROM table_name_68 WHERE land___sqmi__ = 35.918 AND longitude < -97.115459