Question: the majority of the heat energy on the earth's surface comes from where
[{'answer': 'incoming solar radiation', 'provenance': [{'wikipedia_id': '41077022', 'title': "Earth's internal heat budget", 'start_paragraph_id': 2, 'start_character': 272, 'end_paragraph_id': 2, 'end_character': 296, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41077022', 'title': "Earth's internal heat budget", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 554, 'bleu_score': 0.946458428441119, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14221230753734054710}, 'section': 'Section::::Abstract.'}]}]