He gave an incorrect answer.

他给了错误的答案。

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He has used the method three times this year, but the Conservative MSP Liz Smith, who was given the original incorrect answer on green jobs, complained she was not told about the change.

BBC: Correction rules changed for MSPs

He has used the method, which has been operating since October 2011, three times this year, but the Conservative MSP Liz Smith, who was given the original incorrect answer on green jobs, complained she was not told about the change.

BBC: MSP 'correction' rules to change