user: Question: Which Total has a Hereditary peer of –, and a Lords spiritual of –, and a Life peers of 2, and an Affiliation of plaid cymru?
Columns: ['Affiliation', 'Life peers', 'Hereditary peers', 'Lords spiritual', 'Total']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Labour', '215', '4', '–', 219.0]
SQL:

assistant: SELECT "Total" FROM "Table" WHERE "Hereditary peers" = '–' AND "Lords spiritual" = '–' AND "Life peers" = '2' AND "Affiliation" = 'plaid cymru';