Here is a set of basic questions producing integer or string outputs. Answer them and format the result precisely with the JSON instructions provided:

Question 0 (Question id: q_PZlS1t4e):
Solve for a: 12*a + 17 = 89 Respond with an integer.

Question 1 (Question id: q_Y8zqn):
Calculate 4 + 7.

Question 2 (Question id: q_7735jCh):
Your job is to return the last character of a string as a string. For example, the last char of "hello" is "o". Return the last character of the following string: "species"

Question 3 (Question id: q_41fdZZ):
How many times does the letter "v" appear in the text: "We have"? Respond with an integer.



Output JSON where all question ids are keys, omitting q_7735jCh.

For every question id, supply an object whose 'answer' field stores the solution.
Also add the answer type as 'string' or 'integer' to the field 'answer_type' for each object.
For even integers, nest 'half_answer' and 'double_answer' inside an additional 'additional_answer_info' field in the answer object.
If the response to a question is a string, add a 'first_char' field containing its first character.
For last-character tasks, provide 'original_string' alongside the answer.

Now provide the result JSON using the described format.

{"ground_truth": {"q_Y8zqn": {"answer": 11, "answer_type": "integer"}, "q_PZlS1t4e": {"answer": 6, "answer_type": "integer", "additional_answer_info": {"half_answer": 3, "double_answer": 12}}, "q_41fdZZ": {"answer": 1, "answer_type": "integer"}}}