Table:
text: ER (TV series)
Ratings
Ratings
Season Season_premiere Season_finale TV_season Viewer_rank_ Households_Viewers_in_millions
1 September 19, 1994 May 18, 1995 1994–1995 #2 19.08
2 September 21, 1995 May 16, 1996 1995–1996 #1 21.10
3 September 26, 1996 May 15, 1997 1996–1997 #1 20.56
4 September 25, 1997 May 14, 1998 1997–1998 #2 30.2
5 September 24, 1998 May 20, 1999 1998–1999 #1 25.4
6 September 30, 1999 May 18, 2000 1999–2000 #4 24.95
7 October 12, 2000 May 17, 2001 2000–2001 #2 22.4
8 September 27, 2001 May 16, 2002 2001–2002 #3 22.1
9 September 26, 2002 May 15, 2003 2002–2003 #6 19.99
10 September 25, 2003 May 13, 2004 2003–2004 #8 19.04

Question: ER (TV Series), Which Season Had a Viewer Rating #4?

Question: Which season of ER (TV series) had under 25.4 viewers and had a viewer rank of #6?

Question: When did the season premiere start with a viewer rating of #6 on ER (TV series)?