CREATE TABLE table_79423 ("Date" CLOB, "Internet Explorer" CLOB, "Firefox" CLOB, "Safari" CLOB, "Opera" CLOB)

What percentage of browsers were using Internet Explorer in April 2009?
SELECT "Internet Explorer" FROM table_79423 WHERE "Date" = 'april 2009'
SELECT "Internet Explorer" FROM "table_79423" WHERE "Date" = 'april 2009'