Question: what is the main mineral in lithium batteries
[{'answer': 'lithium', 'provenance': [{'wikipedia_id': '17561', 'title': 'Lithium', 'start_paragraph_id': 1, 'start_character': 228, 'end_paragraph_id': 1, 'end_character': 235, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Lithium', 'provenance': [{'wikipedia_id': '17561', 'title': 'Lithium', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17561', 'title': 'Lithium', 'start_paragraph_id': 74, 'start_character': 0, 'end_paragraph_id': 74, 'end_character': 707, 'bleu_score': 0.8823084657258701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2311377416445454674}, 'section': 'Section::::Applications.:Electrical and electronics.\n'}]}, {'provenance': [{'wikipedia_id': '17561', 'title': 'Lithium', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2311377416445454674}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17561', 'title': 'Lithium', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 304, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2311377416445454674}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8534292', 'title': 'Lithium iron phosphate battery', 'section': 'Section::::Advantages and disadvantages.:Safety.\n', 'start_paragraph_id': 17, 'end_paragraph_id': 17, 'meta': {'evidence_span': ['advantage over other lithium-ion chemistries is thermal and chemical stability, which improves battery safety.', 'advantage over other lithium-ion chemistries is thermal and chemical stability, which improves battery safety. As lithium migrates out of the cathode in a cell, the undergoes non-linear expansion that affects the structural integrity of the cell. The fully lithiated and unlithiated states of are structurally similar which means that cells are more structurally stable than cells. No lithium remains in the cathode of a fully charged cellin a cell, approximately 50% remains in the cathode. is highly resilient during oxygen loss, which typically results in']}}]}, {'provenance': [{'wikipedia_id': '24429024', 'title': 'Lithiumair battery', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The lithiumair battery (Liair) is a metalair electrochemical cell or battery chemistry that uses oxidation of lithium at the anode and reduction of oxygen at the cathode to induce a current flow.', 'The lithiumair battery (Liair) is a metalair electrochemical cell or battery chemistry that uses oxidation of lithium at the anode and reduction of oxygen at the cathode to induce a current flow.', 'The lithiumair battery (Liair) is a metalair electrochemical cell or battery chemistry that uses oxidation of lithium at the anode and reduction of oxygen at the cathode to induce a current flow.']}}]}]