Table: supersport_2007
Columns: no
date
round
circuit
pole_position
fastest_lap
race_winner
report

Question: Where was Assen held?
SQL: SELECT "round" FROM supersport_2007 WHERE "circuit" = 'Assen'

Question: What was the number of race that Kevin Curtain won?
SQL: SELECT COUNT("no") FROM supersport_2007 WHERE "pole_position" = 'Kevin Curtain'

Question: What was the date of the race in Misano?
SQL: SELECT "date" FROM supersport_2007 WHERE "circuit" = 'Misano'