Question: What was the earliest week the Titans played at Ford Field?
SQL: SELECT MIN("Week") FROM "2-15601837-2" WHERE "Game site" = 'Ford Field';

Question: When did the Titans play the Houston Texans at LP Field before Week 13?
SQL: SELECT "Date" FROM "2-15601837-2" WHERE "Week" < 13.0 AND "Game site" = 'LP Field' AND "Opponent" = 'Houston Texans';