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

### Instruction:
What is the ε (m −1 cm −1 )  of the red dye?

### Inputs:
table_name: table, columns: ['Fluorescent dye', 'Color', 'mass (g/mol)', 'Absorb (nm)', 'Emit (nm)', 'ε (M −1 cm −1 )']

### Response:
SELECT ε (M −1 cm −1 ) FROM table WHERE Color = red