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": "density", "description": "Calculates the density of an object given its mass and volume.", "parameters": {"mass": {"description": "The mass of the object.", "type": "float"}, "volume": {"description": "The volume of the object.", "type": "float"}}}, {"name": "create_histogram", "description": "Create a histogram based on provided data.", "parameters": {"data": {"description": "The data for which histogram needs to be plotted.", "type": "list", "default": 10}, "bins": {"description": "The number of equal-width bins in the range. Default is 10.", "type": "int", "default": 10}}}, {"name": "integrate", "description": "Calculate the area under a curve for a specified function between two x values.", "parameters": {"function": {"description": "The function to integrate, represented as a string. For example, 'x^3'", "type": "str", "default": "trapezoid"}, "start_x": {"description": "The starting x-value to integrate over.", "type": "int", "default": "trapezoid"}, "end_x": {"description": "The ending x-value to integrate over.", "type": "int"}, "method": {"description": "The method of numerical integration to use. Choices are 'trapezoid' or 'simpson'.", "type": "str"}}}, {"name": "calculate_standard_deviation", "description": "Calculates the standard deviation of a list of numbers.", "parameters": {"numbers": {"description": "The list of numbers.", "type": "List[Union[int, float]]"}}}, {"name": "calculate_quarterly_dividend", "description": "Calculates the quarterly dividend per share based on the total dividend payout and the number of outstanding shares.", "parameters": {"total_dividend": {"description": "The total dividend payout in USD.", "type": "int"}, "num_shares": {"description": "The number of outstanding shares.", "type": "int"}}}, {"name": "calculate_median", "description": "Calculates the median of a list of numbers.", "parameters": {"numbers": {"description": "The list of numbers.", "type": "List[Union[int, float]]"}}}, {"name": "greatest_common_divisor", "description": "Computes the greatest common divisor (GCD) of two non-negative integers.", "parameters": {"a": {"description": "The first non-negative integer.", "type": "int"}, "b": {"description": "The second non-negative integer.", "type": "int"}}}]
Calculate the area under the curve of the function 'x^2' from x=1 to x=5 using the Simpson's rule.
user
assistant
[{"name": "integrate", "arguments": {"function": "x**2", "start_x": 1, "end_x": 5, "method": "simpson"}}]