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_47 (genes VARCHAR, species VARCHAR)
### Question:
How many genes in the species Rubrobacter Xylanophilus?
### Answer:
SELECT genes FROM table_name_47 WHERE species = "rubrobacter xylanophilus"