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

### Instruction:
If the velocity angle is ln[(1 + √5)/2] ≅ 0.481, what is the condition/parameter?

### Inputs:
table_name: table, columns: ['Condition/Parameter', 'Coordinate velocity v dx/dt in units of c', 'Velocity angle η in i-radians', 'Proper velocity w dx/dτ in units of c', 'Lorentz factor γ dt/dτ = E/mc 2']

### Response:
SELECT Condition/Parameter FROM table WHERE Velocity angle η in i-radians = ln[(1 + √5)/2] ≅ 0.481