In heat rank 7, what is the sum of lanes?
CREATE TABLE table_name_48 (
    lane INTEGER,
    heat_rank VARCHAR
)
SELECT SUM(lane) FROM table_name_48 WHERE heat_rank = 7
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 heat rank 7, what is the sum of lanes? ### Input: CREATE TABLE table_name_48 (
    lane INTEGER,
    heat_rank VARCHAR
) ### Response: SELECT SUM(lane) FROM table_name_48 WHERE heat_rank = 7