CREATE TABLE table_15511 ("Date" TEXT, "Time  (  CEST  ) " FLOAT, "Team #1" TEXT, "Res." TEXT, "Team #2" TEXT, "Round" TEXT, "Attendance" FLOAT)

What id the team with a smaller Time than 18?
SELECT "Team #1" FROM table_15511 WHERE "Time ( CEST )" < '18'
SELECT "Team #1" FROM "table_15511" WHERE "Time ( CEST )" < '18'