I usually use:
q=oscar-reyes+site%3Astackoverflow.com, but that yields bot questions and answers.
Does anyone have a way to identify only answers ? ( or only questions? )
Here's a reference to the current API implementation of the answers request:
(Linked to avoid having to update more than one place for API info)
This gets you the first 1,000 answers. The API will not provide more than 1,000 answers at one time. You can probably increase the page to 2 for users who have more than 1,000 questions.