What the average year entrant that had fewer than 6 point and one Maserati Straight-6 engine?
Year Entrant Chassis Engine Points
Paco Godia
1235995
real text text text real
2-1235995-1
Complete Formula One World Championship results
Complete Formula One World Championship results
1951 Scuderia Milano Maserati 4CLT/48 Maserati Straight-4 0
1954 Officine Alfieri Maserati Maserati 250F Maserati Straight-6 0
1956 Officine Alfieri Maserati Maserati 250F Maserati Straight-6 6
1957 Francesco Godia Sales Maserati 250F Maserati Straight-6 0
1958 Francesco Godia Sales Maserati 250F Maserati Straight-6 0
SELECT AVG Year FROM table WHERE Points < 6 AND Engine = maserati straight-6
6 maserati straight-6