text: 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_1 (width VARCHAR, frame_size VARCHAR)
  ### Question:
  what's the width with frame size being 4.5k
  ### Answer:
  SELECT width FROM table_1251878_1 WHERE frame_size = "4.5K"