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 (mobile VARCHAR, chrome VARCHAR)
### Question:
What percentage of users were using mobile browsers during the period in which 9.00% were using Chrome?
### Answer:
SELECT mobile FROM table_name_28 WHERE chrome = "9.00%"