How many breadth entries are there when the vessel is marianarray?
CREATE TABLE table_30294 (
    "Vessel" text,
    "Built" real,
    "Max Speed" text,
    "Length" text,
    "Breadth" text,
    "Flag" text,
    "Propulsion" text
)
SELECT COUNT("Breadth") FROM table_30294 WHERE "Vessel" = 'Marianarray'
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: How many breadth entries are there when the vessel is marianarray? ### Input: CREATE TABLE table_30294 (
    "Vessel" text,
    "Built" real,
    "Max Speed" text,
    "Length" text,
    "Breadth" text,
    "Flag" text,
    "Propulsion" text
) ### Response: SELECT COUNT("Breadth") FROM table_30294 WHERE "Vessel" = 'Marianarray'