Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Title | Type | Artist | Label | Standard number | Release date |
| --- | --- | --- | --- | --- | --- |
| Grievous Rain | 8 cm single | Hiroyuki Takami | Bandai | BCDA-9 | March5,1991 |
| Getter Robot Go | 8cm single | Ichiro Mizuki | Columbia | CODC-8760 | May21,1991 |
| Getter Robot Go Ongakushu | Soundtrack album | Michiaki Watanabe | Columbia | COCC-7702 | July1,1991 |
| Getter Robot Go hit Kyokushu | Album | Various | Columbia | COCC-9122 | October1,1991 |
| Animex 1200 series 73: Getter Robot Go Ongakushu | Soundtrack album | Michiaki Watanabe | Columbia | COCC-72073 | September22,2004 |
Question:
Which Artist has the Label of Columbia and the Standard number of COCC-72073?
Answer:
Michiaki Watanabe