CREATE TABLE "table1_174266_6" (
  "year" real,
  "total" text,
  "less_than_a_year" real,
  "one_year" real,
  "two_years" real,
  "three_years" real,
  "four_years" real,
  "5_9_years" real,
  "10_14_years" real,
  "15_19_years" real,
  "20_24_years" real,
  "25_and_more" real,
  "unknown" real
);

Question: If unknown is larger than 1.0, what is the maximum two year amount?
SQL: SELECT MAX("two_years") FROM "table1_174266_6" WHERE "unknown">1.0;

Question: If two years is 159, what is the amount for one year?
SQL: SELECT MIN("one_year") FROM "table1_174266_6" WHERE "two_years"=159;

Question: If the year is 2010, what is the minimum amount of years 5-9?
SQL: SELECT MIN("5_9_years") FROM "table1_174266_6" WHERE "year"=2010;

Question: If year 20-24 is 24, what is the amount for three years?
SQL: SELECT "three_years" FROM "table1_174266_6" WHERE "20_24_years"=24;