What is the sum of a rank whose nation is West Germany and has bronze larger than 0?
CREATE TABLE table_name_45 (
    rank INTEGER,
    nation VARCHAR,
    bronze VARCHAR
)
SELECT SUM(rank) FROM table_name_45 WHERE nation = "west germany" AND bronze > 0
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 sum of a rank whose nation is West Germany and has bronze larger than 0? ### Input: CREATE TABLE table_name_45 (
    rank INTEGER,
    nation VARCHAR,
    bronze VARCHAR
) ### Response: SELECT SUM(rank) FROM table_name_45 WHERE nation = "west germany" AND bronze > 0