how many models had a screen size less than 3 inches ?
CREATE TABLE table_204_878 (
    id number,
    "model" text,
    "release date" text,
    "sensor\nres., size" text,
    "lens (35 mm equiv.)\nzoom, aperture" text,
    "screen\nsize, pixels" text,
    "dimensions\nw (mm) \u00d7 h (mm) \u00d7 d (mm)" text,
    "weight" text,
    "features" text
)
SELECT COUNT("model") FROM table_204_878 WHERE "screen\nsize, pixels" < 3
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 models had a screen size less than 3 inches ? ### Input: CREATE TABLE table_204_878 (
    id number,
    "model" text,
    "release date" text,
    "sensor\nres., size" text,
    "lens (35 mm equiv.)\nzoom, aperture" text,
    "screen\nsize, pixels" text,
    "dimensions\nw (mm) \u00d7 h (mm) \u00d7 d (mm)" text,
    "weight" text,
    "features" text
) ### Response: SELECT COUNT("model") FROM table_204_878 WHERE "screen\nsize, pixels" < 3