What percentage of users were using Internet Explorer during the period in which 2.1% were using mobile browsers?
CREATE TABLE table_66075 (
    "Period" text,
    "Internet Explorer" text,
    "Firefox" text,
    "Chrome" text,
    "Safari" text,
    "Opera" text,
    "Other Mozilla" text,
    "Mobile" text
)
SELECT "Internet Explorer" FROM table_66075 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_66075 (
    "Period" text,
    "Internet Explorer" text,
    "Firefox" text,
    "Chrome" text,
    "Safari" text,
    "Opera" text,
    "Other Mozilla" text,
    "Mobile" text
) ### Response: SELECT "Internet Explorer" FROM table_66075 WHERE "Mobile" = '2.1%'