Question: who kills barry's mom in the flash
[{'answer': 'Professor Eobard Thawne'}, {'answer': 'Thawne', 'provenance': [{'wikipedia_id': '47972968', 'title': 'Eobard Thawne', 'start_paragraph_id': 0, 'start_character': 7, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47972968', 'title': 'Eobard Thawne', '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': 7280098553218426736}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47972968', 'title': 'Eobard Thawne', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 717, 'bleu_score': 0.8695592935269291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7280098553218426736}, 'section': 'Section::::Fictional character biography.:"The Flash: Rebirth".\n'}]}, {'provenance': [{'wikipedia_id': '38629260', 'title': 'Justice League: The Flashpoint Paradox', 'section': 'Section::::Plot.\n', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['While visiting his mother\'s grave, Barry Allen, known as the Flash, is alerted to a break-in by his enemies Captain Cold, Captain Boomerang, Heat Wave, Mirror Master, and Top at the Flash Museum. Defeating the Rogues, he discovers that they have been hired by his archenemy, Professor Eobard "Zoom" Thawne, as part of a plan to destroy Central City. With the help of the Justice League, Barry foils Thawne\'s plot, but Thawne\'s taunts over the death of his mother still haunt Barry as he departs.\rhighlight sentence(s) containing evidence, not only the answer', "While visiting his mother's grave, Barry Allen, known as the Flash, is alerted to a break-in by his enemies Captain Cold, Captain Boomerang, Heat Wave, Mirror Master, and Top at the Flash Museum."]}}]}, {'provenance': [{'wikipedia_id': '1283897', 'title': 'Bart Allen', 'section': 'Section::::Fictional character biography.:Initial reference.\n', 'start_paragraph_id': 7, 'end_paragraph_id': 7, 'meta': {'evidence_span': ['As depicted in a Legion of Super-Heroes story, Barry Allen\'s childrenthe Tornado Twinswere arrested in A.D. 2995 by the government of Earth, which had fallen under the covert control of the Dominators. Following a one-day trial on trumped-up charges of treason, the Twins were executed. According to a "Daily Planet" news report, Don Allen is survived by his wife Carmen Johnson (whose real name is Meloni Thawne, a descendant of Eobard Thawne), his mother Iris West Allen, and his two-year-old son: Barry Allen II, or Bart.\rhighlight sentence(s) containing evidence, not only the answer', 'As depicted in a Legion of Super-Heroes story, Barry Allen\'s childrenthe Tornado Twinswere arrested in A.D. 2995 by the government of Earth, which had fallen under the covert control of the Dominators. Following a one-day trial on trumped-up charges of treason, the Twins were executed. According to a "Daily Planet" news report, Don Allen is survived by his wife Carmen Johnson (whose real name is Meloni Thawne, a descendant of Eobard Thawne), his mother Iris West Allen, and his two-year-old son: Barry Allen II, or Bart.']}}]}]