Table: atlantic_race_data
Columns: round
race_name
circuit
city_location
date

Question: What round was the circuit portland international raceway?
SQL: SELECT "round" FROM atlantic_race_data WHERE "circuit" = 'portland international raceway'

Question: When was the circuit portland international raceway?
SQL: SELECT "date" FROM atlantic_race_data WHERE "circuit" = 'portland international raceway'

Question: Which round had a city/location of Toronto, Ontario?
SQL: SELECT "round" FROM atlantic_race_data WHERE "city_location" = 'toronto, ontario'

Question: For which location was the round smaller than 11 and the circuit streets of denver?
SQL: SELECT "city_location" FROM atlantic_race_data WHERE "round" < 11 AND "circuit" = 'streets of denver'

Question: What day was the location Cleveland, Ohio in Round 6?
SQL: SELECT "date" FROM atlantic_race_data WHERE "city_location" = 'cleveland, ohio' AND "round" = 6