Table: st_kilda_football_2008
Columns: round
st_kilda_saints
opposition
their_score
margin

Question: What is the most reduced Margin that has a St Kilda Saints of 11.13 (79)?
SQL: SELECT MIN("margin") FROM st_kilda_football_2008 WHERE "st_kilda_saints" = '11.13 (79)'

Question: What is the average Margin that has a Round of 13. (h)?
SQL: SELECT AVG("margin") FROM st_kilda_football_2008 WHERE "round" = '13. (h)'