Bolton North East (UK Parliament constituency)
Members of Parliament
Table:
Election	Member	Party

1983	Peter Thurnham	Conservative

1996	Liberal Democrat

1997	David Crausby	Labour

Based on the table information on 'Bolton North East (UK Parliament constituency)' (see 'Members of Parliament'), give a one-line statement limited to the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.