input question: Sentence: At a height of 306 metres above sea level, Akron, Ohio has a total area of 161.54 square kilometres. Also, its population density is 1239.3 inhabitants per square km, and the area codes are 234 and 330.

Structured data: Akron, Ohio, elevationAboveTheSeaLevel, 306.0; Akron, Ohio, populationDensity, 1239.3 (inhabitants per square kilometre); Akron, Ohio, areaTotal, 161.54 (square kilometres); Akron, Ohio, areaCode, 234, 330

input question: Sentence: Albert B White was born on 22nd September 1856 and died on 3rd July 1941.

Structured data: Albert B. White, birthDate, 1856-09-22; Albert B. White, deathDate, 1941-07-03

input question: Sentence: The Bavarian Crisis of 1634, written by Virginia DeMarce and Eric Flint, occurred after Grantville Gazette III and the Grantville Gazettes.

Structured data: 1634: The Bavarian Crisis, precededBy, Grantville Gazette III; 1634: The Bavarian Crisis, author, "Virginia DeMarce and Eric Flint"; 1634: The Bavarian Crisis, precededBy, The Grantville Gazettes

input question: Sentence: The Adolfo Suarez madrid-Barajas airport is located at Paracuellos de Jarama and its runway length is 3500.

Structured data:
Adolfo Suarez MadridBarajas Airport, location, Paracuellos de Jarama; Adolfo Suarez MadridBarajas Airport, runwayLength, 3500.0