Question: What is the tour Apps when the career caps show 15?
SQL: SELECT "Tour Apps" FROM "2-18914641-1" WHERE "Career caps" = 15.0;

Question: What is the number of career caps for a full back, when tour Apps is smaller than 29?
SQL: SELECT COUNT("Career caps") FROM "2-18914641-1" WHERE "Position" = 'full back' AND "Tour Apps" < 29.0;

Question: What is the career caps for Half-Back, when tests is more than 3?
SQL: SELECT "Career caps" FROM "2-18914641-1" WHERE "Position" = 'Half-Back' AND "Tests" > 3.0;

Question: What name has tour Apps larger than 7, tests larger than 4, and a Career caps of 20?
SQL: SELECT "Name" FROM "2-18914641-1" WHERE "Tour Apps" > 7.0 AND "Tests" > 4.0 AND "Career caps" = 20.0;