Question: what instruments are played in royals by lorde
[{'answer': 'finger snaps', 'provenance': [{'wikipedia_id': '39863336', 'title': 'Royals (song)', 'start_paragraph_id': 14, 'start_character': 211, 'end_paragraph_id': 14, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Composition and lyrical interpretation.\n'}]}, {'answer': 'bass', 'provenance': [{'wikipedia_id': '39863336', 'title': 'Royals (song)', 'start_paragraph_id': 14, 'start_character': 224, 'end_paragraph_id': 14, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Composition and lyrical interpretation.\n'}]}, {'answer': 'percussion', 'provenance': [{'wikipedia_id': '39863336', 'title': 'Royals (song)', 'start_paragraph_id': 14, 'start_character': 233, 'end_paragraph_id': 14, 'end_character': 243, 'bleu_score': 1.0, 'section': 'Section::::Composition and lyrical interpretation.\n'}]}, {'answer': 'electronic effects', 'provenance': [{'wikipedia_id': '39863336', 'title': 'Royals (song)', 'start_paragraph_id': 14, 'start_character': 274, 'end_paragraph_id': 14, 'end_character': 292, 'bleu_score': 1.0, 'section': 'Section::::Composition and lyrical interpretation.\n'}]}, {'answer': 'synthesizers'}, {'provenance': [{'wikipedia_id': '39863336', 'title': 'Royals (song)', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 558, 'bleu_score': 0.804792717429568, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1939186820549097241}, 'section': 'Section::::Composition and lyrical interpretation.\n'}]}]