Question: On what date was the episode aired where event 2 was Hang Tough?
SQL: SELECT "Air Date" FROM "1-17257687-1" WHERE "Event 2" = 'Hang Tough';

Question: When event 4 was Whiplash, what was event 2?
SQL: SELECT "Event 2" FROM "1-17257687-1" WHERE "Event 4" = 'Whiplash';

Question: On how many different dates was event 1 Suspension Bridge?
SQL: SELECT COUNT("Air Date") FROM "1-17257687-1" WHERE "Event 1" = 'Suspension Bridge';

Question: On which episode number is event 4 The Wall and event 1 the Pendulum?
SQL: SELECT COUNT("Episode Number") FROM "1-17257687-1" WHERE "Event 4" = 'The Wall' AND "Event 1" = 'Pendulum';

Question: What was event 2 when event 1 was Atlasphere?
SQL: SELECT "Event 2" FROM "1-17257687-1" WHERE "Event 1" = 'Atlasphere';