Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1251878_3 (frame_size VARCHAR, maximum_fps VARCHAR)
### Question:
What size is a 30 frames per minute
### Answer:
SELECT frame_size FROM table_1251878_3 WHERE maximum_fps = 30