Question: Where is the PPP 23164 million €?
SQL: SELECT "Region ( NUTS 2006)" FROM "1-2293510-1" WHERE "PPP (million €)" = 23164.0;

Question: What's the total (in million €) in the region where PPP is 21779 million €?
SQL: SELECT "Total (million € )" FROM "1-2293510-1" WHERE "PPP (million €)" = 21779.0;

Question: What's the percentage of EU average GDP (PPP) in the region where € per capita is 2519
SQL: SELECT "% of EU average GDP (PPP)" FROM "1-2293510-1" WHERE "€ per capita (2005)" = 2519.0;