What is the sum of channels for qubo network?
CREATE TABLE table_51514 (
    "Channel" real,
    "Video" text,
    "Aspect" text,
    "PSIP Short Name" text,
    "Network" text
)
SELECT SUM("Channel") FROM table_51514 WHERE "Network" = 'qubo'
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 channels for qubo network? ### Input: CREATE TABLE table_51514 (
    "Channel" real,
    "Video" text,
    "Aspect" text,
    "PSIP Short Name" text,
    "Network" text
) ### Response: SELECT SUM("Channel") FROM table_51514 WHERE "Network" = 'qubo'