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

### Instruction:
What is the total time in office of the prime minister from the liberal party and left office in 19 December 1967?

### Inputs:
table_name: table, columns: ['Rank:', 'Prime Minister:', 'Party:', 'Assumed Office:', 'Left Office:', 'TOTAL Time in Office:']

### Response:
SELECT TOTAL Time in Office: FROM table WHERE Party: = liberal AND Left Office: = 19 december 1967