CREATE TABLE table_48183 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" TEXT)

What engine has the Mercedes AMG Petronas f1 team, and 93 points?
SELECT "Engine" FROM table_48183 WHERE "Entrant" = 'mercedes amg petronas f1 team' AND "Points" = '93'
SELECT "Engine" FROM "table_48183" WHERE "Entrant" = 'mercedes amg petronas f1 team' AND "Points" = '93'