Question: who sings the song we are an american band
[{'answer': 'Grand Funk Railroad', 'provenance': [{'wikipedia_id': '7049580', 'title': "We're an American Band (song)", 'start_paragraph_id': 1, 'start_character': 66, 'end_paragraph_id': 1, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7049580', 'title': "We're an American Band (song)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 303, 'bleu_score': 0.643878050032731, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18128652351511889704}, 'section': 'Section::::Abstract.'}]}]