CREATE TABLE table_27936 ("meas. num." FLOAT, "passed" TEXT, "YES votes" FLOAT, "NO votes" FLOAT, "% YES" TEXT, "Const. Amd.?" TEXT, "type" TEXT, "description" TEXT)

What is the type of measure that voted on the Power Development Debt Limit Amendment?
SELECT "type" FROM table_27936 WHERE "description" = 'Power Development Debt Limit Amendment'
SELECT "type" FROM "table_27936" WHERE "description" = 'Power Development Debt Limit Amendment'