Question: what is the number for 65-69 where 50-54 is 1571?
SQL: SELECT "65 to 69" FROM "1-16457934-4" WHERE "50 to 54" = 1571.0;

Question: what is the minimum of 60 -64?
SQL: SELECT MIN("60 to 64") FROM "1-16457934-4";

Question: what is the maximum 18 to 19 and 30-34  is 1203?
SQL: SELECT MAX("18 to 19") FROM "1-16457934-4" WHERE "30 to 34" = 1203.0;

Question: what is the maximum 65-69 and 35-39 is 1606?
SQL: SELECT MAX("65 to 69") FROM "1-16457934-4" WHERE "35 to 39" = 1606.0;