Table: swimming_2007_world_aquatics
Columns: rank
heat
lane
name
nationality
time

Question: What was the highest heat with a time slower than 48.87 from sweden?
SQL: SELECT MAX("heat") FROM swimming_2007_world_aquatics WHERE "time" > 48.87 AND "nationality" = 'sweden'

Question: How many lanes featured a swimmer ranked above 4, in a heat later than 1, from australia, named ashley callus?
SQL: SELECT COUNT("lane") FROM swimming_2007_world_aquatics WHERE "rank" > 4 AND "heat" > 1 AND "nationality" = 'australia' AND "name" = 'ashley callus'