Table:
text: 1995–96 Segunda División
Final table
Final table
Position_ Club Played Points Wins Draws Losses Goals_for Goals_against Goal_Difference
19 Getafe CF 38 32 7 11 20 30 52 -22
20 Atlético Marbella 38 21 4 9 25 28 63 -35

text: 1995–96 Segunda División
Final table
Final table
Position_ Club Played Points Wins Draws Losses Goals_for Goals_against Goal_Difference
1 Hércules CF 38 73 21 10 7 61 30 +31
2 CD Logroñés 38 69 20 9 9 69 49 +20
3 RCD Mallorca 38 69 20 9 9 59 35 +24
4 Real Madrid B 1 38 64 18 10 10 50 41 +9
5 CF Extremadura 38 62 17 11 10 48 33 +15
6 CD Badajoz 38 62 18 8 12 48 31 +17
7 Deportivo Alavés 38 61 17 10 11 52 42 +10
8 CD Leganés 38 61 17 10 11 42 40 +2

Question: What is the average score if goal difference is less than 17, club is Getafe CF and goals for Segunda División 1995–96 are more than 30?