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_81 (internet_explorer VARCHAR, date VARCHAR)
### Question:
What percentage of browsers were using Internet Explorer in April 2009?
### Answer:
SELECT internet_explorer FROM table_name_81 WHERE date = "april 2009"