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": "constructor_standings", "description": "Fetches the constructor standings for a given Formula 1 season.", "parameters": {"season_id": {"description": "The ID of the Formula 1 season for which to get the constructor standings.", "type": "int", "default": "2020"}}}, {"name": "players_at_position", "description": "Fetches all players at a specified position from the National Football Players API.", "parameters": {"position": {"description": "The abbreviated position name to query players for (e.g., QB, RB, WR).", "type": "str", "default": "QB"}}}, {"name": "featuredtournamentsevents", "description": "Fetches featured events for a given unique tournament from the Sportify API.", "parameters": {"uniquetournamentid": {"description": "The unique identifier for the tournament whose featured events are to be fetched.", "type": "int", "default": "23"}}}, {"name": "food_names_and_ids", "description": "Fetches food table IDs for a specified sub-table in the food database using the RapidAPI service.", "parameters": {"subtablename": {"description": "The name of the sub-table whose IDs need to be fetched. Defaults to 'Fo1_2'.", "type": "str, optional", "default": "Fo1_2"}}}]
I want to know about the football players who are positioned as QB. Thanks!
user
assistant
[{"name": "players_at_position", "arguments": {"position": "QB"}}]