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

### Instruction:
Which specific dates encompass the time period when "The Show Girl Must Go On" showed a gross sales figure total of $2,877,906?

### Inputs:
table_name: table, columns: ['Dates (MDY)', 'Gross Sales', 'Tickets Sold / Available', 'Shows / Sellout', 'Sellout (%)']

### Response:
SELECT Dates (MDY) FROM table WHERE Gross Sales = $2,877,906