CREATE TABLE "usage_share_of_desktop_browsers_for_june" (
  "source" text,
  "chrome" text,
  "internet_explorer" text,
  "firefox" text,
  "safari" text,
  "opera" text,
  "other" text
);

Question: What percentage of users were using other browsers according to the source that reported 21.22% were using Firefox?
SQL: SELECT "other" FROM "usage_share_of_desktop_browsers_for_june" WHERE "firefox"='21.22%';

Question: According to W3Counter, what percentage of browsers used Firefox?
SQL: SELECT "firefox" FROM "usage_share_of_desktop_browsers_for_june" WHERE "source"='w3counter';

Question: What percentage of users were using Firefox according to the source that reported 21.70% used Internet Explorer?
SQL: SELECT "firefox" FROM "usage_share_of_desktop_browsers_for_june" WHERE "internet_explorer"='21.70%';

Question: Which source reported 32.60% of browsers used Chrome?
SQL: SELECT "source" FROM "usage_share_of_desktop_browsers_for_june" WHERE "chrome"='32.60%';

Question: What percentage of users were using Firefox according to the source that reported 15.40% used Safari?
SQL: SELECT "firefox" FROM "usage_share_of_desktop_browsers_for_june" WHERE "safari"='15.40%';

Question: What percentage of users were using Internet Explorer according to the source that reported 20.01% used Firefox?
SQL: SELECT "internet_explorer" FROM "usage_share_of_desktop_browsers_for_june" WHERE "firefox"='20.01%';