Question: Who was the visiting team on weeks under 12 and at Sports Authority Field at Mile High?
SQL: SELECT "Visiting Team" FROM "2-12771946-6" WHERE "Week" < 12.0 AND "Stadium" = 'Sports Authority Field at Mile High';

Question: Who was the visiting team at Raymond James Stadium?
SQL: SELECT "Visiting Team" FROM "2-12771946-6" WHERE "Stadium" = 'Raymond James Stadium';

Question: What date had the Houston Texans as visitors?
SQL: SELECT "Date" FROM "2-12771946-6" WHERE "Visiting Team" = 'Houston Texans';