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:
|  |  | Three months ended | Three months ended | Three months ended | Three months ended |
| --- | --- | --- | --- | --- | --- |
|  |  | March 31 | June 30 | Sept. 30 | Dec. 31 |
| 2018 | Operating revenues | $4,944 | $5,742 | $5,575 | $5,704 |
| 2018 | Operating income | 616 | 972 | 798 | 820 |
| 2018 | Income before income taxes | 602 | 960 | 786 | 817 |
| 2018 | Net income | 463 | 733 | 615 | 654 |
| 2018 | Net income per share, basic | 0.79 | 1.27 | 1.08 | 1.17 |
| 2018 | Net income per share, diluted | 0.79 | 1.27 | 1.08 | 1.17 |
| 2017 | Operating revenues | $4,854 | $5,731 | $5,303 | $5,258 |
| 2017 | Operating income | 606 | 1,215 | 845 | 741 |
| 2017 | Income before income taxes | 532 | 1,165 | 832 | 736 |
| 2017 | Net income | 339 | 743 | 528 | 1,747 |
| 2017 | Net income per share, basic | 0.55 | 1.23 | 0.88 | 2.95 |
| 2017 | Net income per share, diluted | 0.55 | 1.23 | 0.88 | 2.94 |
Question:
What was the net income of SouthWest in the second quarter of 2018?
Answer:
733