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_name_28 (sub_millisecond_cycle VARCHAR)
### Question:
What is the millisecond cycle for the Fieldbus?
### Answer:
SELECT sub_millisecond_cycle FROM table_name_28 WHERE "fieldbus" = "fieldbus"