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

### Instruction:
How many million viewers watched the episode that had a 2.6/7 rating/share (18-49)

### Inputs:
table_name: table, columns: ['#', 'Airdate', 'Episode', 'Rating', 'Share', 'Rating/Share (18–49)', 'Viewers (millions)', 'Rank (Timeslot)', 'Rank (Night)']

### Response:
SELECT Viewers (millions) FROM table WHERE Rating/Share (18–49) = 2.6/7