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:
| District | Incumbent | Party | First elected | Result | Candidates |
| --- | --- | --- | --- | --- | --- |
| Missouri 1 | Bill Clay | Democratic | 1968.0 | Re-elected | Bill Clay (D) 70.2% Bill White (R) 29.8% |
| Missouri 4 | Ike Skelton | Democratic | 1976.0 | Re-elected | Ike Skelton (D) 67.8% Bill Baker (R) 32.2% |
| Missouri 7 | Gene Taylor | Republican | 1972.0 | Re-elected | Gene Taylor (R) 67.8% Ken Young (D) 32.2% |
| Missouri 8 | Richard Howard Ichord, Jr. | Democratic | 1960.0 | Retired Republican gain | Wendell Bailey (R) 57.1% Steve Gardner (D) 42.9% |
| Missouri 9 | Harold Volkmer | Democratic | 1976.0 | Re-elected | Harold Volkmer (D) 56.5% John W. Turner (R) 43.5% |
Question:
What was the incumbent for missouri 1?
Answer:
Bill Clay