Question: Where were the auditions held in the episode that aired on January 27, 2011?
SQL: SELECT "Audition city" FROM "1-27455867-1" WHERE "Episode air date" = 'January 27, 2011';

Question: In how many different audition cities were the Bridgestone Arena auditions held?
SQL: SELECT COUNT("Audition city") FROM "1-27455867-1" WHERE "Audition venue" = 'Bridgestone Arena';

Question: When was the callback audition date for the audition city from the episode aired on February 2, 2011?
SQL: SELECT "Callback audition date" FROM "1-27455867-1" WHERE "Episode air date" = 'February 2, 2011';

Question: When were the callback auditions at Hilton Riverside Hotel held?
SQL: SELECT "Callback audition date" FROM "1-27455867-1" WHERE "Callback venue" = 'Hilton Riverside Hotel';

Question: What was the callback venue for the audition city in the episode aired on January 20, 2011?
SQL: SELECT "Callback venue" FROM "1-27455867-1" WHERE "Episode air date" = 'January 20, 2011';

Question: When were the callback auditions for the audition city in the episode aired on February 9, 2011?
SQL: SELECT "Callback audition date" FROM "1-27455867-1" WHERE "Episode air date" = 'February 9, 2011';