You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "author_author", "description": "Fetches all poems from Poetry DB written by a specific poet.", "parameters": {"author": {"description": "The poet's name or a part of the poet's name.", "type": "str", "default": "None"}}}, {"name": "category", "description": "Retrieves information about a specific category from the VOD app API.", "parameters": {"name": {"description": "The name of the category to retrieve information for.", "type": "str", "default": ""}}}, {"name": "title_cast_crew", "description": "Fetches and returns the cast and crew information of a given title from the Watchmode API.", "parameters": {"is_id": {"description": "The ID of the title. This can be the Watchmode ID, IMDB ID, or a TMDB type and ID combination.", "type": "str", "default": "3173903"}}}]
Find the cast and crew of the movie with the ID 'tt0068646' and fetch all poems by Edgar Allan Poe.
user
assistant
[{"name": "title_cast_crew", "arguments": {"is_id": "tt0068646"}}, {"name": "author_author", "arguments": {"author": "Edgar Allan Poe"}}]