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

### Instruction:
Who won men's singles when petya nedelcheva diana dimova won women's doubles and vladimir metodiev krasimir yankov won men's doubles?

### Inputs:
table_name: table, columns: ['Year', "Men's singles", "Women's singles", "Men's doubles", "Women's doubles", 'Mixed doubles']

### Response:
SELECT Men's singles FROM table WHERE Women's doubles = petya nedelcheva diana dimova AND Men's doubles = vladimir metodiev krasimir yankov