CREATE TABLE "gdp_by_value_added" (
  "supply_sector_pct_of_gdp_in_current_prices" text,
  "1993_2001" text,
  "2002_2005" text,
  "2006_2009" text,
  "2010_2012" text
);

Question: What was the GDP for 2002-2005 for the construction center? 
SQL: SELECT "2002_2005" FROM "gdp_by_value_added" WHERE "supply_sector_pct_of_gdp_in_current_prices"='Construction';

Question: What was GDP for 2006-2009 for the sector that had a 20.1 GDP for 2010-2012?
SQL: SELECT "2006_2009" FROM "gdp_by_value_added" WHERE "2010_2012"='20.1';

Question: What sector had a 1.4 GDP for 2006-2009?
SQL: SELECT "supply_sector_pct_of_gdp_in_current_prices" FROM "gdp_by_value_added" WHERE "2006_2009"='1.4';

Question: What sector had a 17.3 GDP for 1993-2001?
SQL: SELECT "supply_sector_pct_of_gdp_in_current_prices" FROM "gdp_by_value_added" WHERE "1993_2001"='17.3';

Question: The sector that had a 8.7 GDP for 2006-2009 had what GDP for 1993-2001?
SQL: SELECT "1993_2001" FROM "gdp_by_value_added" WHERE "2006_2009"='8.7';