Table: tnf_results_2
Columns: week
date
visiting_team
host_team
stadium

Question: What was the stadium for the game held on October 31?
SQL: SELECT "stadium" FROM tnf_results_2 WHERE "date" = 'october 31'

Question: How many weeks in total were games played at Cleveland Browns Stadium?
SQL: SELECT COUNT("week") FROM tnf_results_2 WHERE "stadium" = 'cleveland browns stadium'