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

### Instruction:
What is the total number of win % when John Gartin is coach, the crew is varsity 8+, and the year is 2005?

### Inputs:
table_name: table, columns: ['Year', 'Coach', 'Crew', 'Record', 'Win %']

### Response:
SELECT SUM Win % FROM table WHERE Coach = john gartin AND Crew = varsity 8+ AND Year = 2005