CREATE TABLE table_40922 ("Week" FLOAT, "Date" CLOB, "Kickoff  (  ET  ) " CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "NFL.com Recap" CLOB)

What time was the kickoff when the miami dolphins were the opponent?
SELECT "Kickoff ( ET )" FROM table_40922 WHERE "Opponent" = 'miami dolphins'
SELECT "Kickoff ( ET )" FROM "table_40922" WHERE "Opponent" = 'miami dolphins'