Question: what color is the cue ball in pool
[{'answer': 'white'}, {'provenance': [{'wikipedia_id': '618981', 'title': 'Billiard ball', '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': 5647815698996320185}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9567500', 'title': 'Rules of snooker', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['It is played using a cue and snooker balls: one white', 'Snooker is a cue sport that is played on a baize-covered table with pockets in each of the four corners and in the middle of each of the long side cushions. It is played using a cue and snooker balls: one white , 15 worth one point each (sometimes played with fewer red balls, commonly 6 or 10), and six balls of different : yellow (2 points), green (3), brown (4), blue (5), pink (6), black (7).', 'Snooker is a cue sport that is played on a baize-covered table with pockets in each of the four corners and in the middle of each of the long side cushions. It is played using a cue and snooker balls: one white , 15 worth one point each (sometimes played with fewer red balls, commonly 6 or 10), and six balls of different : yellow (2 points), green (3), brown (4), blue (5), pink (6), black (7)']}}]}, {'provenance': [{'wikipedia_id': '4022356', 'title': 'Rack (billiards)', 'section': 'Section::::Racking in specific billiards games.:Snooker.\n', 'start_paragraph_id': 27, 'end_paragraph_id': 27, 'meta': {'evidence_span': ['one white ball (the cue ball)', 'Snooker is played on a large table (full, pro tournament size is 12\xa0×\xa06\xa0ft). It is played using a cue stick, one white ball (the cue ball), fifteen red balls and six colours: a yellow (worth two points), green (three points), brown (four points), blue (five points), pink (six points) and black ball (seven points).']}}]}]