user: Question: Name the total number of districts for Rob Teplitz
Columns: ['District', 'Representative', 'Party', 'Residence', 'Counties represented', 'Term ends', 'First Elected']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Larry Farnese', 'Dem', 'Philadelphia', 'Philadelphia', 2016.0, 2008.0]
SQL:

assistant: SELECT COUNT("District") FROM "Table" WHERE "Representative" = 'Rob Teplitz';