Table: cowboys_2001
Columns: week
date
opponent
result
attendance

Question: Who was the opponent on November 11, 2001?
SQL: SELECT "opponent" FROM cowboys_2001 WHERE "date" = 'november 11, 2001'

Question: Who was the opponent before week 5 that played on September 23, 2001?
SQL: SELECT "opponent" FROM cowboys_2001 WHERE "week" < 5 AND "date" = 'september 23, 2001'