Question: What percentage of users were using Netscape during the period in which 21.67% were using Firefox?
SQL: SELECT "Netscape" FROM "2-1876262-7" WHERE "Firefox" = '21.67%';

Question: What percentage of users were using Safari during the period in which 2.33% were using Opera?
SQL: SELECT "Safari" FROM "2-1876262-7" WHERE "Opera" = '2.33%';

Question: What percentage of users were using Netscape during the period in which 63.67% were using Internet Explorer?
SQL: SELECT "Netscape" FROM "2-1876262-7" WHERE "Internet Explorer" = '63.67%';

Question: What percentage of users were using Firefox during the period in which *0.77% were using Netscape?
SQL: SELECT "Firefox" FROM "2-1876262-7" WHERE "Netscape" = '*0.77%';

Question: What percentage of users were using other Mozilla browsers during the period in which 2.29% were using Opera?
SQL: SELECT "Other Mozilla" FROM "2-1876262-7" WHERE "Opera" = '2.29%';

Question: What percentage of users were using Opera during the period in which 63.67% were using Internet Explorer?
SQL: SELECT "Opera" FROM "2-1876262-7" WHERE "Internet Explorer" = '63.67%';