Table: last_chance_learners
Columns: air_date
challenge
winner
test_taker
passed

Question: What air date has a red winner and an emergency braking challenge?
SQL: SELECT "air_date" FROM last_chance_learners WHERE "winner" = 'red' AND "challenge" = 'emergency braking'

Question: On which air date was Robert the test-taker?
SQL: SELECT "air_date" FROM last_chance_learners WHERE "test_taker" = 'robert'

Question: What is the result for passing in the country driving challenge?
SQL: SELECT "passed" FROM last_chance_learners WHERE "challenge" = 'country driving'