Relational Algebra Identification Equations: Identify the best equation

SELECT Make WHERE make$\_$id$=2$

Group of answer choices

$\backslash$sigma make$\_$id $="2"($Make$)$

$\backslash$sigma Make $=2($make$\_$id$)$

$\backslash$pi make$\_$id $="2"(\backslash$sigma Make$)$

$\backslash$sigma make$\_$id $2($Make$)$