Which location includes Coast Mountains with a rank less than 18 at Skihist Mountain?
CREATE TABLE table_71990 (
    "Rank" real,
    "Mountain Peak" text,
    "Province" text,
    "Mountain Range" text,
    "Location" text
)
SELECT "Location" FROM table_71990 WHERE "Mountain Range" = 'coast mountains' AND "Rank" < '18' AND "Mountain Peak" = 'skihist mountain'
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: Which location includes Coast Mountains with a rank less than 18 at Skihist Mountain? ### Input: CREATE TABLE table_71990 (
    "Rank" real,
    "Mountain Peak" text,
    "Province" text,
    "Mountain Range" text,
    "Location" text
) ### Response: SELECT "Location" FROM table_71990 WHERE "Mountain Range" = 'coast mountains' AND "Rank" < '18' AND "Mountain Peak" = 'skihist mountain'