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_97 (other_mozilla VARCHAR, opera VARCHAR)
### Question:
What percentage of users were using other Mozilla browsers during the period in which 2.29% were using Opera?
### Answer:
SELECT other_mozilla FROM table_name_97 WHERE opera = "2.29%"