Table: operation_soberania
Columns: 1976
1977
1978
1979
1980

Question: what is 1976 when 1980 is 2.0?
SQL: SELECT "1976" FROM operation_soberania WHERE "1980" = '2.0'

Question: what is 1980 when 1979 is 951?
SQL: SELECT "1980" FROM operation_soberania WHERE "1979" = '951'

Question: what is 1977 when 1980 is chile?
SQL: SELECT "1977" FROM operation_soberania WHERE "1980" = 'chile'

Question: what is 1976 when 1977 is 3.5?
SQL: SELECT "1976" FROM operation_soberania WHERE "1977" = '3.5'

Question: what is 1977 when 1978 is 4.1?
SQL: SELECT "1977" FROM operation_soberania WHERE "1978" = '4.1'

Question: what is 1980 when 1978 is 2.3?
SQL: SELECT "1980" FROM operation_soberania WHERE "1978" = '2.3'