CREATE TABLE "table1_1639689_2" (
  "week" real,
  "date" text,
  "kickoff" text,
  "opponent" text,
  "final_score" text,
  "team_record" text,
  "game_site" text,
  "attendance" real
);

Question: What day(s) did they play on week 2?
SQL: SELECT "date" FROM "table1_1639689_2" WHERE "week"=2;

Question: What was the kickoff time on monday, may 13?
SQL: SELECT "kickoff" FROM "table1_1639689_2" WHERE "date"='Monday, May 13';