Question: What is the type for Cassano?
SQL: SELECT "Type" FROM "2-17970271-1" WHERE "Name" = 'Cassano';

Question: What nationality is Diogo?
SQL: SELECT "Nat." FROM "2-17970271-1" WHERE "Name" = 'Diogo';

Question: What is the name of the player with a Winter transfer window moving from Roma?
SQL: SELECT "Name" FROM "2-17970271-1" WHERE "Transfer window" = 'Winter' AND "Moving from" = 'Roma';