What percentage of users were using Internet Explorer during the period in which 2.1% were using mobile browsers?
CREATE TABLE table_name_66 (
    internet_explorer VARCHAR,
    mobile VARCHAR
)
SELECT internet_explorer FROM table_name_66 WHERE mobile = "2.1%"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What percentage of users were using Internet Explorer during the period in which 2.1% were using mobile browsers? ### Input: CREATE TABLE table_name_66 (
    internet_explorer VARCHAR,
    mobile VARCHAR
) ### Response: SELECT internet_explorer FROM table_name_66 WHERE mobile = "2.1%"