CREATE TABLE "ranking_of_chinese_provinces_by_gdp_per_" (
  "year" text,
  "2010" real,
  "2009" real,
  "2008" real,
  "2005" real,
  "2000" real
);

Question: Tell me the lowest 2005 for 2010 less than 21 for 2009 being 19
SQL: SELECT MIN("2005") FROM "ranking_of_chinese_provinces_by_gdp_per_" WHERE "2009"=19 AND "2010"<21;

Question: Name the total number of 2010 for when 2009 is less than 14, 2008 is less than 15 and 2005 is 3
SQL: SELECT COUNT("2010") FROM "ranking_of_chinese_provinces_by_gdp_per_" WHERE "2009"<14 AND "2008"<15 AND "2005"=3;

Question: Name the average 2008 for beijing and 2005 more than 2
SQL: SELECT AVG("2008") FROM "ranking_of_chinese_provinces_by_gdp_per_" WHERE "year"='beijing' AND "2005">2;

Question: Name the lowest 2008 for guizhou when 2005 is less than 31
SQL: SELECT MIN("2008") FROM "ranking_of_chinese_provinces_by_gdp_per_" WHERE "year"='guizhou' AND "2005"<31;

Question: Name the sum of 2010 for 2000 of 17 and 2005 more than 16
SQL: SELECT SUM("2010") FROM "ranking_of_chinese_provinces_by_gdp_per_" WHERE "2000"=17 AND "2005">16;