Quick and easy:

alfred://customsearch/Splunk%20Answers/splunkanswers/utf8/noplus/https%3A%2F%2Fanswers.splunk.com%2Fsearch.html%3Ff%3D%26redirect%3Dsearch%252Fsearch%26sort%3Drelevance%26q%3D%7Bquery%7D%26type%3Dquestion

Next, copy and paste inside Alfred.