CREATE TABLE table_79923 ("Name" TEXT, "Country" TEXT, "Status" TEXT, "Transfer window" TEXT, "Transfer fee" TEXT, "Source" TEXT)

What was the source of an ENG transfer that paid a 1.5m transfer fee?
SELECT "Source" FROM table_79923 WHERE "Country" = 'eng' AND "Transfer fee" = '£1.5m'
SELECT "Source" FROM "table_79923" WHERE "Country" = 'eng' AND "Transfer fee" = '£1.5m'