how many total standards are there for type b plugs ?
CREATE TABLE table_204_794 (
    id number,
    "iec\nworld plugs\nType" text,
    "standard" text,
    "power\nrating" text,
    "earthed" text,
    "polarised" text,
    "fused" text,
    "insulated\npins" text,
    "europlug\ncompatible" text
)
SELECT COUNT("standard") FROM table_204_794 WHERE "iec\nworld plugs\nType" = 'b'
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 total standards are there for type b plugs ? ### Input: CREATE TABLE table_204_794 (
    id number,
    "iec\nworld plugs\nType" text,
    "standard" text,
    "power\nrating" text,
    "earthed" text,
    "polarised" text,
    "fused" text,
    "insulated\npins" text,
    "europlug\ncompatible" text
) ### Response: SELECT COUNT("standard") FROM table_204_794 WHERE "iec\nworld plugs\nType" = 'b'