Table:
text: Jean Behra
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1952 Equipe Gordini Gordini Type 16 Gordini Straight-6 6
1953 Equipe Gordini Gordini Type 16 Gordini Straight-6 0
1954 Equipe Gordini Gordini Type 16 Gordini Straight-6 1⁄7
1955 Officine Alfieri Maserati Maserati 250F Maserati Straight-6 6
1956 Officine Alfieri Maserati Maserati 250F Maserati Straight-6 22
1957 Officine Alfieri Maserati Maserati 250F Maserati Straight-6 6
1957 Officine Alfieri Maserati Maserati 250F Maserati V12 6
1958 Ken Kavanagh Maserati 250F Maserati Straight-6 9
1958 Owen Racing Organisation BRM P25 BRM Straight-4 9
1959 Scuderia Ferrari Ferrari Dino 246 Ferrari V6 2
1959 Jean Behra Behra-Porsche RSK Porsche Flat-4 2

Question: What engine does Jean Behra's Ferrari v6 have?

Question: Under Jean Behra, what is the competitor of a Maserati 250f chassis that also has 6 points and is older than 1957?