Table:
text: Harald Ertl
Complete World Championship Formula One results
Complete World Championship Formula One results
Year_ Entrant Chassis Engine Points
1975 Warsteiner Brewery Hesketh 308 Cosworth V8 0
1976 Hesketh Racing Hesketh 308D Cosworth V8 0
1977 Hesketh Racing Hesketh 308E Cosworth V8 0
1978 Sachs Racing Ensign N177 Cosworth V8 0
1978 ATS Engineering ATS HS1 Cosworth V8 0
1980 Team ATS ATS D4 Cosworth V8 0

Question: From Harald Ertl's list, what is the lowest score for a year of manufacture 1978 and a chassis of the Fähnrich n177?

Question: What is the highest score for a participant from the Warsteiner Brewery under Harald Ertl?