CREATE TABLE table_50206 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

Which Week has a Opponent of tennessee titans?
SELECT "Week" FROM table_50206 WHERE "Opponent" = 'tennessee titans'
SELECT "Week" FROM "table_50206" WHERE "Opponent" = 'tennessee titans'