What is associated with: a 55 lb 1 oz specimen of the northern type of this long sharp toothed fish was pulled ashore in germany in 1986?

Based on the clue 'a 50 km event in this sport not the marathon is th...', what is the answer? Based on the clue 'a 50 statue of this sauk indian chief stands besid...', what is the answer? Based on the clue 'a 500 foot tall one of these fair attractions is p...', what is the answer? Based on the clue 'a 500 year old hospice built for these travelers t...', what is the answer? What is associated with: a 5500 mile long section of it runs from mount hu near dandong to a spot in gansu province? Based on the clue 'a 5k walk benefits this childrens research hospita...', what is the answer? Based on the clue 'a 5th c bc greek philosopher was 1st to theorize t...', what is the answer? What is associated with: a 6 day fast by this man in 1932 changed the way the untouchables in india were treated?