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

### Instruction:
What is the 1st leg of the UEFA Champions League Compeition in the Skonto Riga Club?

### Inputs:
table_name: table, columns: ['Season', 'Competition', 'Round', 'Club', '1st Leg', '2nd Leg']

### Response:
SELECT 1st Leg FROM table WHERE Competition = uefa champions league AND Club = skonto riga