Question: when was the last time the los angeles lakers won a championship
[{'answer': '2010', 'provenance': [{'wikipedia_id': '72893', 'title': 'Los Angeles Lakers', 'start_paragraph_id': 4, 'start_character': 632, 'end_paragraph_id': 4, 'end_character': 636, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'in 2010'}, {'provenance': [{'wikipedia_id': '72893', 'title': 'Los Angeles Lakers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 568, 'bleu_score': 0.882480185875353, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17519493216605064149}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '72893', 'title': 'Los Angeles Lakers', 'section': 'Section::::Rivalries.:Boston Celtics.\n', 'start_paragraph_id': 80, 'end_paragraph_id': 80, 'meta': {'evidence_span': ['They faced off once again in the 2010 NBA Finals, which the Lakers won in 7 games.', 'The rivalry had been less intense since the retirements of Magic Johnson and Larry Bird in the early 1990s, but in 2008 it was renewed as the Celtics and Lakers met in the Finals for the first time since 1987, with the Celtics winning the series 42. They faced off once again in the 2010 NBA Finals, which the Lakers won in 7 games. The two teams have won the two highest numbers of championships, the Celtics 17, the Lakers 16; together, the 33 championships account for almost half of the 67 championships in NBA history. The rivalry between the Lakers and the Detroit Pistons developed in the late 1980s. Both teams faced each other in back', 'They faced off once again in the 2010 NBA Finals, which the Lakers won in 7 games.']}}]}]