CREATE TABLE table_26705 ("Major version" TEXT, "Minor version" TEXT, "WebKit version" TEXT, "Operating System" TEXT, "Release date" TEXT, "Features" TEXT)

What was the minor version released on April 16, 2008?
SELECT "Minor version" FROM table_26705 WHERE "Release date" = 'April 16, 2008'
SELECT "Minor version" FROM "table_26705" WHERE "Release date" = 'April 16, 2008'