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

### Instruction:
What is the issue price of a Year 2000 coin by artist John Mardon of the Included in Steam Buggy mintage.

### Inputs:
table_name: table, columns: ['Year', 'Theme', 'Artist', 'Mintage', 'Issue Price']

### Response:
SELECT Issue Price FROM table WHERE Artist = john mardon AND Year = 2000 AND Mintage = included in steam buggy