CREATE TABLE table_61693 ("Date From" TEXT, "Date To" TEXT, "Position" TEXT, "Name" TEXT, "From" TEXT)

What is the date for the MF position and player Jennison Myrie-Williams?
SELECT "Date From" FROM table_61693 WHERE "Position" = 'mf' AND "Name" = 'jennison myrie-williams'
SELECT "Date From" FROM "table_61693" WHERE "Name" = 'jennison myrie-williams' AND "Position" = 'mf'