Table: texans_2004
Columns: week
date
opponent
result
attendance

Question: When did the Texans play BYE?
SQL: SELECT "date" FROM texans_2004 WHERE "opponent" = 'bye'

Question: Who did the Texans play when there were 70,724 people in attendance?
SQL: SELECT "opponent" FROM texans_2004 WHERE "attendance" = '70,724'