Question: what is a dropped pin on google maps for
[{'answer': 'marks locations', 'provenance': [{'wikipedia_id': '44710922', 'title': 'Google Maps pin', 'start_paragraph_id': 1, 'start_character': 58, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'marks locations in Google Maps', 'provenance': [{'wikipedia_id': '44710922', 'title': 'Google Maps pin', 'start_paragraph_id': 1, 'start_character': 58, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44710922', 'title': 'Google Maps pin', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 268, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7650410767210452343}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44710922', 'title': 'Google Maps pin', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 238, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7650410767210452343}, 'section': 'Section::::Use by Google.\n'}]}, {'provenance': [{'wikipedia_id': '44710922', 'title': 'Google Maps pin', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Google Maps pin is the inverted-drop-shaped icon that marks locations in Google Maps.', 'The Google Maps pin is the inverted-drop-shaped icon that marks locations in Google Maps. The pin is protected under a U.S. design patent as "teardrop-shaped marker icon including a shadow". Google has used the pin in various graphics, games, and promotional materials.', 'The Google Maps pin is the inverted-drop-shaped icon that marks locations in Google Maps. The pin is protected under a U.S. design patent as "teardrop-shaped marker icon including a shadow". Google has used the pin in various graphics, games, and promotional materials.']}}]}]