CREATE TABLE table_31051 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB)

What season number is the episode 'The Gang Cracks The Liberty Bell'?
SELECT MIN("No. in season") FROM table_31051 WHERE "Title" = 'The Gang Cracks the Liberty Bell'
SELECT MIN("No. in season") FROM "table_31051" WHERE "Title" = 'The Gang Cracks the Liberty Bell'