Table: russia_tfr_2
Columns: c_w_15
oblast_age
15_to_17
18_to_19
20_to_24
25_to_29
30_to_34
35_to_39
40_to_44
45_to_49
50_to_54
55_to_59
60_to_64
65_to_69
70

Question: what is the number for 65-69 where 50-54 is 1571?
SQL: SELECT "65_to_69" FROM russia_tfr_2 WHERE "50_to_54" = 1571

Question: what is the minimum of 60 -64?
SQL: SELECT MIN("60_to_64") FROM russia_tfr_2

Question: what is the maximum 18 to 19 and 30-34  is 1203?
SQL: SELECT MAX("18_to_19") FROM russia_tfr_2 WHERE "30_to_34" = 1203

Question: what is the maximum 65-69 and 35-39 is 1606?
SQL: SELECT MAX("65_to_69") FROM russia_tfr_2 WHERE "35_to_39" = 1606