Question: How many runner-ups when Jason Crump placed 3rd?
SQL: SELECT COUNT("Runner-up") FROM "1-19317584-2" WHERE "3rd placed" = 'Jason Crump';

Question: Where did Grzegorz Walasek place 4th?
SQL: SELECT "City and venue" FROM "1-19317584-2" WHERE "4th placed" = 'Grzegorz Walasek';

Question: Who came in 3rd place in Krško , Slovenia Matije Gubca Stadium
SQL: SELECT "3rd placed" FROM "1-19317584-2" WHERE "City and venue" = 'Krško , Slovenia Matije Gubca Stadium';

Question: How many placed 4th on April 25?
SQL: SELECT COUNT("4th placed") FROM "1-19317584-2" WHERE "Date" = 'April 25';