Unknown column 'pizza' in 'field list'

Question

this is the code of the following function

Function:

def dishID():
    query = 'select count(*), max(DishID) from Dish'
    cur.execute(query)
    fetch = cur.fetchall()
    for i in fetch:
        if i[0] == 0:
            return 1
        else:
            return (int(i[1]) + 1)

Error code

dishname = input('Enter Dish Name: ')
        dishprice = input('Enter Dish Price: ')
        dishid = str(dishID())
        query = 'insert into Dish values({}, {}, {})'.format(
            dishname, dishprice, dishid)
        cur.execute(query)
        con.commit()
        print("Dish has added successfully")
Full code: https://srcb.in/l1RdtphmhF

This is code is restaurant Database management system. I am taking the help of mysql and making this system. when i try to enter values I get the error mentioned in the title.

The error is at line 99.