Table:
text: Nene Park
Average crowd sizes
Average crowd sizes
Season Ave_Attendance _ave_on_prev_season Competition Occupier
1992–93 322 N/A Southern Football League Rushden and Diamonds
1993–94 966 +644 Southern Football League Rushden and Diamonds
1994–95 1521 +855 Southern Football League Rushden and Diamonds
1995–96 2166 +645 Southern Football League Rushden and Diamonds
1996–97 2514 +348 Conference National Rushden and Diamonds
1997–98 2552 +38 Conference National Rushden and Diamonds
1998–99 3041 +489 Conference National Rushden and Diamonds
1999–2000 3298 +257 Conference National Rushden and Diamonds
2000–01 3876 +578 Conference National Rushden and Diamonds
2001–02 4403 +527 Third Division Rushden and Diamonds
2002–03 4323 -80 Third Division Rushden and Diamonds
2003–04 4457 +134 Second Division Rushden and Diamonds

Question: How many attendance values occur when ave. in the preseason is +645 in Nene Park ?

Question: What is the lowest value for the average attendance for Nene Park when the previous season's average was +644?