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

### Instruction:
What is the grand slam in 1987, when round shows first round, and Ivan Lendl won?

### Inputs:
table_name: table, columns: ['Year', 'Grand Slam', 'Round', 'Winner', 'Loser']

### Response:
SELECT Grand Slam FROM table WHERE Year = 1987 AND Round = first round AND Winner = ivan lendl