Table:
text: Hubert Hahne
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1966 Tyrrell Racing Organisation Matra MS5 (F2) BRM Straight-4 0
1967 Bayerische Motoren Werke Lola T100 BMW Straight-4 0
1968 Bayerische Motoren Werke Lola T100 BMW Straight-4 0
1969 Bayerische Motoren Werke BMW T269 (F2) BMW Straight-4 0
1970 Hubert Hahne March 701 Cosworth V8 0

Question: Give the total number of years for brm straight-4 under Hubert Hahne ?

Question: Give the overall score for chassis of BMW T269 (F2) under Hubert Hahne?