Please help me to SUM SQL tables : Please help me to get a expected output. I have 2 tables

table 1
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Project_Name	Start Date
P-2018-001		2018/06/20
P-2018-002		2018/06/21
P-2018-003		2018/06/22
[/CODE]

table 2
[CODE]
Date		Project_Name	Staff	Working_Time
2018/06/20	P-2018-001		Staff01	8
2018/06/20	P-2018-002		Staff02	6
2018/06/21	P-2018-001		Staff03	9
2018/06/21	P-2018-003		Staff02	8
2018/06/21	P-2018-002		Staff01	9
2018/06/22	P-2018-003		Staff03	5
2018/06/22	P-2018-002		Staff01	7
2018/06/22	P-2018-001		Staff02	10
[/CODE]

Expected Output:
[CODE]
Project_Name	Start Date	Staff01		Staff02		Staff03
P-2018-001		2018/06/20	8			10			9
P-2018-002		2018/06/21	16			6			0
P-2018-003		2018/06/22	0			8			5
[/CODE]