Tony Brown (darts player)
Performance timeline
Table:
Tournament
1977
1978
1979
1980
1981
1982
1983
1984

BDO World Championship

NYF

1R

SF

SF

SF

2R

SF

1R

Winmau World Masters

QF

F

3R

3R

3R

4R

2R

DNP

British Professional

Not held

2R

1R

1R

DNP

News of the World

???

RR

???

Observing the data table for 'Tony Brown (darts player)' in the 'Performance timeline' section, summarise the highlighted cells in a single sentence and return it as JSON: {"answer": "YOUR ANSWER"}.