CREATE TABLE table_31123 ("Series #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB)

What is the original air date for the season# 2?
SELECT "Original air date" FROM table_31123 WHERE "Season #" = '2'
SELECT "Original air date" FROM "table_31123" WHERE "Season #" = '2'