Table: swimming_200m_backstroke_2000
Columns: rank
lane
name
nationality
time

Question: What is the average Rank for a lane smaller than 3 with a nationality of Australia?
SQL: SELECT AVG("rank") FROM swimming_200m_backstroke_2000 WHERE "lane" < 3 AND "nationality" = 'australia'

Question: what is the number of lane with a rank more than 2 for Louise ørnstedt?
SQL: SELECT COUNT("lane") FROM swimming_200m_backstroke_2000 WHERE "rank" > 2 AND "name" = 'louise ørnstedt'

Question: What shows for nationality when there is a rank larger than 6, and a Time of 2:14.95?
SQL: SELECT "nationality" FROM swimming_200m_backstroke_2000 WHERE "rank" > 6 AND "time" = '2:14.95'