Table:
text: 2004 Úrvalsdeild
Final league position
Final league position
Team Played Draw Lost Goals_For Goals_Against Goal_Difference Points
FH 18 7 1 33 16 +17 37
ÍBV 18 4 5 35 20 +15 31
ÍA 18 7 3 28 19 +9 31
Fylkir 18 5 5 26 20 +6 29
Keflavík 18 3 8 31 33 -2 24
KR 18 7 6 21 22 -1 22
Grindavík 18 7 6 24 31 -7 22
Fram 18 5 9 19 28 -9 17
Víkingur 18 4 10 19 30 -11 16
KA 18 3 11 13 30 -17 15

Question: What is the average goal difference for draws of 7 and more than 18 for 2004 Úrvalsdeild?

Question: Tell me Úrvalsdeild's total goal difference for goals conceded of 30 and played under 18 of 2004?

Question: Give the total number of draws played for more than 18 for 2004 Úrvalsdeild ?