Misc: During WW I, it was at this city & battle where the Germans introduced mustard gas.?

Questions

Fruit - What fruits are usually served 'belle helene'?

Fruit - What is a cross between a blackberry and a raspberry?

Fruit - What is another name for the star fruit?

Fruit - Where is most of the vitamin C in fruits?

Fun Runs - What is San Francisco's equivalent to Sydney's 'City To Surf' race?