What is the lowest Floors, when Built is greater than 1970, and when Name is NV Building 3?
CREATE TABLE table_75912 (
    "Rank" real,
    "Name" text,
    "Built" real,
    "Height" text,
    "Floors" real
)
SELECT MIN("Floors") FROM table_75912 WHERE "Built" > '1970' AND "Name" = 'nv building 3'
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 the lowest Floors, when Built is greater than 1970, and when Name is NV Building 3? ### Input: CREATE TABLE table_75912 (
    "Rank" real,
    "Name" text,
    "Built" real,
    "Height" text,
    "Floors" real
) ### Response: SELECT MIN("Floors") FROM table_75912 WHERE "Built" > '1970' AND "Name" = 'nv building 3'