The true reason for the search feature no longer functioning is that Google has switched to a different API service for website searches... I do not think it is possible to grab if there is a wikipedia result anymore.
{"responseData": null, "responseDetails": "The Google Web Search API is no longer available. Please migrate to the Google Custom Search API (https://developers.google.com/custom-search/)", "responseStatus": 403}
The true reason for the search feature no longer functioning is that Google has switched to a different API service for website searches... I do not think it is possible to grab if there is a wikipedia result anymore.