Table:
text: Jack Brabham
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1962 Brabham Racing Organisation Brabham BT3 Climax V8 9
1963 Brabham Racing Organisation Lotus 25 Climax V8 14
1963 Brabham Racing Organisation Brabham BT3 Climax V8 14
1963 Brabham Racing Organisation Brabham BT7 Climax V8 14
1964 Brabham Racing Organisation Brabham BT7 Climax V8 11
1964 Brabham Racing Organisation Brabham BT11 Climax V8 11
1965 Brabham Racing Organisation Brabham BT11 Climax V8 9
1966 Brabham Racing Organisation Brabham BT19 Repco V8 42 (45)
1966 Brabham Racing Organisation Brabham BT20 Repco V8 42 (45)
1967 Brabham Racing Organisation Brabham BT20 Repco V8 46 (48)
1967 Brabham Racing Organisation Brabham BT19 Repco V8 46 (48)

Question: Who is the competitor when the points are 42 (45) and the chassis is Brabham BT20 under Jack Brabham's Formula 1 World Championship overall results?