input: Generate an approximately fifteen-word sentence that describes all this data: Spain, language, Spanish language

sentence: The language of Spain is Spanish.

input: Generate an approximately fifteen-word sentence that describes all this data: Ann Arbor, Michigan, areaTotal, 74.33 (square kilometres)

sentence: Ann Arbor in Michigan has a total area of 74.33 square kilometres.

input: Generate an approximately fifteen-word sentence that describes all this data: Alan Shepard, birthDate, "1923-11-18"

sentence:
Alan Shepard was born on the 18th of November 1923.