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_26263954_1 (revised_hepburn VARCHAR, english VARCHAR)
### Question:
how many revised hepburn when english is roman characters
### Answer:
SELECT revised_hepburn FROM table_26263954_1 WHERE english = "Roman characters"