Table: ugly_betty_episodes_2
Columns: episode
title
airdate
rating_millions
rank

Question: On what date did the episode "Petra-Gate" air?
SQL: SELECT "airdate" FROM ugly_betty_episodes_2 WHERE "title" = '"petra-gate"'

Question: What was the rating of the episode "After Hours"?
SQL: SELECT "rating_millions" FROM ugly_betty_episodes_2 WHERE "title" = '"after hours"'