CREATE TABLE table_640 ("Episode #" FLOAT, "Title" CLOB, "Part 1" CLOB, "Part 2" CLOB, "Part 3" CLOB, "Part 4" CLOB, "Part 5" CLOB, "Part 6" CLOB)

When did the part 1 of the episode 'Anxiety' air?
SELECT "Part 1" FROM table_640 WHERE "Title" = 'Anxiety'
SELECT "Part 1" FROM "table_640" WHERE "Title" = 'Anxiety'