What had been sum year, when entrant had been Scuderia Centro Sud, and when there have been 6 point?
Year Entrant Chassis Engine Points
Lorenzo Bandini
1226484
real text text text real
2-1226484-1
Complete Formula One results
Complete Formula One results
1961 Scuderia Centro Sud Cooper T53 Maserati Straight-4 0
1962 Scuderia Ferrari Ferrari 156 Ferrari V6 4
1963 Scuderia Centro Sud BRM P57 BRM V8 6
1963 Scuderia Ferrari Ferrari 156 Ferrari V6 6
1964 Scuderia Ferrari Ferrari 156 Ferrari V6 23
1964 Scuderia Ferrari Ferrari 158 Ferrari V8 23
1964 North American Racing Team Ferrari 1512 Ferrari Flat-12 23
1965 Scuderia Ferrari Ferrari 1512 Ferrari Flat-12 13
1965 Scuderia Ferrari Ferrari 158 Ferrari V8 13
1966 Scuderia Ferrari Ferrari 246 Ferrari V6 12
1966 Scuderia Ferrari Ferrari 312/66 Ferrari V12 12
1967 Scuderia Ferrari Ferrari 312/67 Ferrari V12 0
SELECT SUM Year FROM table WHERE Entrant = scuderia centro sud AND Points = 6
scuderia centro sud 6