Count () column based on fieldkey

Hi, I need help. I’d like to count in my column the total unique questions. I wanted to use this function, but this help me only if I want to get all counts from my collection. As I said how to count the data in the fieldkey? Any help.

This code works only for all count data in my collection

function count() {

wixData.query("All_Questions") 
        .count() 
        .then ((result) => { 
        console.log("Total COUNT ALL QUESTIONS:"); 
        console.log (result) 
let total = result         
if (total > 0) { 
            $w('#textCount').text = `${total} result has found.`; 
            $w('#total').value = total; 
        } else { 
            $w('#textCount').text = "No result found!"; 
        } 

        }) 

}
})

Will will need to use —> .distinct()