invalid components: schema "CreateAnswerRequest": invalid example: value must be an array
Schema:
  {
    "description": "List of documents from which the answer for the input `question` should be derived. If this is an empty list, the question will be answered based on the question-answer examples.\n\nYou should specify either `documents` or a `file`, but not both.\n",
    "example": "['Japan is an island country in East Asia, located in the northwest Pacific Ocean.', 'Tokyo is the capital and most populous prefecture of Japan.']",
    "items": {
      "type": "string"
    },
    "maxItems": 200,
    "nullable": true,
    "type": "array"
  }

Value:
  "['Japan is an island country in East Asia, located in the northwest Pacific Ocean.', 'Tokyo is the capital and most populous prefecture of Japan.']"
