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

### Instruction:
What is the date of the tournament at Hokkaidō with prize of ￥150000000?

### Inputs:
table_name: table, columns: ['Dates', 'Tournament', 'Location', 'Prize fund ( ￥ )', 'Winner', 'OWGR pts']

### Response:
SELECT Dates FROM table WHERE Location = Hokkaidō AND Prize fund ( ￥ ) = 150000000