user: Question: When did the Titans play the Houston Texans at LP Field before Week 13?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 7', 'Jacksonville Jaguars', 'W 17–10', 'LP Field', '1–0']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" < 13.0 AND "Game site" = 'LP Field' AND "Opponent" = 'Houston Texans';