Oracle 18c

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CREATE TABLE lists ( column1, column2 , column3) AS
SELECT 'list1', '01-01-2020' , 'car'         FROM DUAL UNION ALL
SELECT 'list1', '02-01-2020' , 'car'         FROM DUAL UNION ALL
SELECT 'list2', '01-01-2020' , 'car'         FROM DUAL UNION ALL
SELECT 'list2', '02-01-2020' , 'toy'         FROM DUAL UNION ALL
SELECT 'list2', '03-01-2020' , 'car'         FROM DUAL UNION ALL
SELECT 'list3', '01-01-2020' , 'toy'         FROM DUAL UNION ALL
SELECT 'list3', '02-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list3', '03-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list4', '01-01-2020' , 'car'         FROM DUAL UNION ALL
SELECT 'list4', '02-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list4', '03-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list5', '01-01-2020' , 'toy'         FROM DUAL UNION ALL
SELECT 'list5', '02-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list5', '03-01-2020' , 'toy'         FROM DUAL UNION ALL
SELECT 'list5', '04-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list6', '01-01-2020' , 'car'         FROM DUAL UNION ALL
SELECT 'list6', '02-01-2020' , 'cards'       FROM DUAL UNION ALL
SELECT 'list6', '03-01-2020' , 'toy'         FROM DUAL UNION ALL
SELECT 'list6', '04-01-2020' , 'cards'       FROM DUAL;

19 rows affected

COLUMN1	ITEM_TO_COUNT	COUNT(*)
list1	car	2
list2	toy	1
list3	toy	1
list4	cards	2
list5	toy	2
list6	cards	2