Table:
text: 2007–08 Football League Trophy
Southern Section
Southern Section
Tie_no Home_team Score Away_team Attendance
7 Leyton Orient 0 – 1 Dagenham & Redbridge 2397
8 Gillingham 4 – 3 Luton Town 1417

Question: What is the tie no listed as Gillingham's home team in the southern section of the 2007/08 Football League Trophy?