Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the highest value for 2000, when the value for 1950 is 3.5, and when the value for 1970 is greater than 3.4?

### Inputs:
table_name: table, columns: ['Region', '1950', '1960', '1970', '1980', '1990', '2000']

### Response:
SELECT MAX 2000 FROM table WHERE 1950 = 3.5 AND 1970 > 3.4